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Improve water quality through meaningful, not just any, citizen science

* E-mail: [email protected]

Affiliation Rathenau Instituut, Royal Netherlands Academy of Arts and Sciences, The Hague, The Netherlands

Affiliation HU University of Applied Sciences Utrecht, Utrecht, The Netherlands

• Anne-Floor M. Schölvinck, 
• Wout Scholten, 
• Paul J. M. Diederen

Published: December 7, 2022

• https://doi.org/10.1371/journal.pwat.0000065
• Reader Comments

Citation: Schölvinck A-FM, Scholten W, Diederen PJM (2022) Improve water quality through meaningful, not just any, citizen science. PLOS Water 1(12): e0000065. https://doi.org/10.1371/journal.pwat.0000065

Editor: Debora Walker, PLOS: Public Library of Science, UNITED STATES

Copyright: © 2022 Schölvinck et al. This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Funding: The authors received no specific funding for this work.

Competing interests: The authors have declared that no competing interests exist.

Water pollution is an urgent and complex problem worldwide, with many dire consequences for ecosystems, human health and economic development. Although policy measures in OECD countries have helped to reduce point source pollution, the situation is set to worsen: population growth and climate change are placing increasing pressures on the ability of water bodies to process wastewater, nutrients and contaminants [ 1 ].

For future generations to maintain a sufficient supply of clean drinking water and to retain a vital level of biodiversity, it is critical to involve the general public in dealing with the problems of water quality and water pollution. One specifically important and increasingly prominent way for the general public to get acquainted with water quality issues is through participation in research projects. All around the world numerous citizen science (CS) projects take place in the field of (drinking) water quality, hydrology, groundwater levels, and water biology [ 2 ]. In most cases these projects are motivated by the enormous potential volunteering citizens have to increase the temporal and spatial data availability. We argue that the value of many CS projects lies beyond data availability, in the broader societal benefits that these projects aspire or claim to achieve. In turn, these benefits could improve the way we approach water quality issues. The list of claimed and potential benefits is long: raising awareness, democratisation of science, development of mutual trust, confidence, and respect between scientists, authorities and the public, increased knowledge and scientific literacy, social learning, incorporation of local, traditional and indigenous knowledge, increased social capital, citizen empowerment, behavioural change, improved environment, health and livelihoods, and finally motivational benefits [ 3 ].

Many of these broader societal benefits of public engagement with water research are especially important to battle water related issues worldwide. Increased ‘water awareness’ among the public is needed to encourage a general sense of urgency and hence support for research investments and policy measures. In the Netherlands, like in many other countries, many citizens take safe and clean (drinking) water for granted [ 4 ]. Therefore, people are not sufficiently aware what investments are needed to provide safe tap water and what they themselves should do to reduce domestic water pollution. To truly counter the dangers of deteriorating water quality, water science and policy must be organised more inclusively and democratically.

The potential societal effect of CS in the water quality sector is substantial. In the Netherlands alone, more than 100,000 citizens volunteer as ‘sensors’ or observers in the numerous nature oriented research projects, in which they, for example, count aquatic animals or measure the chemical composition of river water. These projects are generally low-threshold, because the research tasks are relatively simple and adapted to the limited expertise and research skills of the participants. The large-scale and long-term monitoring done by volunteers would be unaffordable if carried out by professionals [ 5 ]. In other CS projects, though smaller in quantity, citizens have a larger degree of control. This is a gradual difference, typically divided in four categories, ranging from contributory (lowest level of control) to collaborative, co-creative and finally collegial [ 6 ]. Alternatively, these levels have been designated crowdsourcing, distributed intelligence, participatory science and extreme citizen science [ 7 ]. We consider all these levels of control as participating in research, even when the volunteers merely function as observers.

Although the potential benefits of citizen involvement with research projects are numerous and the potential societal impact is high, there are two main obstacles that must be overcome. First, the actual effects of these types of projects, other than the well-reported scientific benefits, remain largely unknown [ 3 , 8 , 9 ]. Do participants have an increased understanding of the concerns of water quality researchers? Do they flush fewer medicines down the toilet? Do they avoid using pesticides in their gardens? Moreover, in order to truly raise public awareness and support for policies addressing water quality, it is important to not only get people involved who are already interested in nature, water quality and/or scientific research. The challenge is to have a diverse group of participants and to involve hard-to-reach groups [ 10 ].

Second, the dominant picture of CS projects, in our own Dutch based study as well as all across the world [ 3 ], is that most citizens participate in the collection of research data. Recalling Shirk et al.’s typology of involvement [ 6 ], this can be considered the lowest level of control and participation. Researchers, policy makers and interest groups hope that this type of involvement will generate public support for more scientific research and more effective policy measures to improve water quality, but citizens performing more significant roles in the research process is still uncommon.

From our analysis, we draw three recommendations to overcome these obstacles and to move beyond CS in water research for the sake of research only, in order to make it more meaningful in a broader, societal sense. For a start, we recommend to thoroughly evaluate the effect of citizen science on the attitudes , behaviour and knowledge of participants and on the system as a whole . As mentioned above, and also pointed out by Somerwill & Wehn [ 9 ], ‘the exact impacts of citizen science are still to be fully and comprehensively understood, while up to date impact assessment methods and frameworks are not yet fully integrated in practice’. Since the potential and claimed benefits are substantial, there is a considerable responsibility to prove these effects and to improve CS project designs to stimulate the occurrence of these benefits. Recent work provides the necessary tools to guide professional researchers and citizens to build the right project designs [ 11 , 12 ], integrate working evaluations [ 9 ], and consider several factors for successful CS projects [ 2 ]. It also needs to be established how to include diverse groups of participants, including the ones with a low interest in nature and environmental issues.

Secondly, we recommend to involve participants more intensively in agenda setting and research design . Currently, the threshold to participate in CS projects tends to be fairly low, but so is the level of control and participation. Tasks of citizen scientists are typically limited and so is their sense of project ownership, although the likelihood of actual effects taking place increases with an increased degree of control for participants [ 3 ]. For instance, a number of projects report a rise or restoration of trust in local authorities and research institutions ‘due to the co-production process and the appreciation of local knowledge’ [ 3 , 13 ].

There is ample potential to increase participation to more shared decision-making on the purpose and design of the research. An important step would be to open up the drafting of research agendas to diverse groups of citizens and societal actors. This type of citizen involvement is already common practice in other fields of research. One might look at some research fields within health and healthcare studies as good practices. ‘Nothing about us without us’ has become a guiding principle, also within health research (see one of our other studies, on public engagement in psychiatry research [ 14 ]).

In the Netherlands, it is becoming common practice for experts by experience (current patients, recovered patients, patient associations) to have a seat at the table when funding decisions are made. Funding agencies increasingly demand applicants to demonstrate how they included patients or other experts by experience in the development of their research proposal. Funding agencies also include patient associations in the development of their research and funding agendas. These practices show that more shared-decision making processes are possible. We consider three conditions that are crucial for meaningful involvement: A) leadership and management of funding agencies to actively value and endorse public engagement leading to changes in their modus operandi; B) training and support for participating citizens, experts by experience and other societal stakeholders; C) researchers who do not regard public engagement as just another box to tick, but who truly integrate public engagement in their research design. This also means these researchers should be incentivised to integrate public engagement in their research, which points to necessary changes in the way they are recognised and rewarded [ 15 ].

Lastly, we recommend to employ public involvement as an extra stimulus for the practical application of knowledge . For professional scientists, the participation of volunteers in research has concrete value. They use the inputs to improve data availability, improve data quality and for their publications. For participants, the benefit is less tangible. Often, their only reward is the joy of the experience itself. However, as participants contribute more, there is a risk of exploitation. We emphasise that intrinsic motivations are most important for participants, but these motivations go beyond the joy of the experience, such as learning, environmental concern, making a difference, and social aspects of participation [ 2 , 16 ]. Rewards should fit these main drivers of participants for instance by showing how their engagement makes a difference, and by public acknowledgement for their work. A stronger incentive for participation could be provided by showing how the research contributes to the improvement of the (local) natural environment, water quality and biodiversity. Therefore, researchers should provide the volunteers with feedback about the results of the study to which they contributed. Beyond this act of courtesy, they should derive inspiration from the interaction with societal actors to focus more on the societal impact of their work. Some scholars emphasise how several motivations and effects of CS projects reinforce one another to create a desired upwards spiral (e.g. more knowledge and scientific literacy → more environmental concern → intrinsic motivation to make a difference → greater participation in CS projects → more knowledge and scientific literacy) [ 2 ], [ 3 ]. Professional scientists could and should play an active role in realising these societal effects.

In all, citizen science has great potential in water quality research. In fact, numerous projects already illustrate the value of CS to improve water quality around the world. It may help fight the dire threats of water pollution, by raising water awareness, strengthening public support for research, and ultimately for better policies and changes in behaviour. Yet, to reap success with citizen science fully, it should be purposefully designed for such broader societal goals. Therefore, efforts must be made to get a better understanding of the effects of research participation on volunteers, to involve citizen scientist in research agenda setting and the design of research projects, and to listen to them for the practical application of research results.

This article is based on the Dutch report Scholten W, Schölvinck AFM, Van Ewijk S, Diederen PJM. Open science op de oever–Publieke betrokkenheid bij onderzoek naar waterkwaliteit. The Hague: Rathenau Instituut; 2020. Available from: https://www.rathenau.nl/nl/vitale-kennisecosystemen/open-science-op-de-oever [ 17 ].

• 1. OECD. Diffuse Pollution, Degraded Waters: Emerging Policy Solutions. Paris: OECD; 2017.
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• 4. OECD. Water Governance in the Netherlands: Fit for the future? Paris: OECD; 2014.
• 15. Felt U. “Response-able practices” or “new bureaucracies of virtue”: The challenges of making RRI work in academic environments. In: Asveld L, Van Dam-Mieras R, Swierstra T, Lavrijssen S, Linse K, Van den Hoven J, editors. Responsible Innovation 3: A European Agenda? Cham: Springer; 2017. pp. 49–68.

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Drinking Water Quality and Human Health: An Editorial

Patrick levallois.

1 Direction de la santé environnementale et de la toxicologie, Institut national de la santé publique du Québec, QC G1V 5B3, Canada

2 Département de médecine sociale et préventive, Faculté de médecine, Université Laval, Québec, QC G1V 0A6, Canada

Cristina M. Villanueva

3 ISGlobal, 08003 Barcelona, Spain; [email protected]

4 Universitat Pompeu Fabra (UPF), 08002 Barcelona, Spain

5 Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Carlos III Institute of Health, 28029 Madrid, Spain

6 IMIM (Hospital del Mar Medical Research Institute), 08003 Barcelona, Spain

Drinking water quality is paramount for public health. Despite improvements in recent decades, access to good quality drinking water remains a critical issue. The World Health Organization estimates that almost 10% of the population in the world do not have access to improved drinking water sources [ 1 ], and one of the United Nations Sustainable Development Goals is to ensure universal access to water and sanitation by 2030 [ 2 ]. Among other diseases, waterborne infections cause diarrhea, which kills nearly one million people every year. Most are children under the age of five [ 1 ]. At the same time, chemical pollution is an ongoing concern, particularly in industrialized countries and increasingly in low and medium income countries (LMICs). Exposure to chemicals in drinking water may lead to a range of chronic diseases (e.g., cancer and cardiovascular disease), adverse reproductive outcomes and effects on children’s health (e.g., neurodevelopment), among other health effects [ 3 ].

Although drinking water quality is regulated and monitored in many countries, increasing knowledge leads to the need for reviewing standards and guidelines on a nearly permanent basis, both for regulated and newly identified contaminants. Drinking water standards are mostly based on animal toxicity data, and more robust epidemiologic studies with an accurate exposure assessment are rare. The current risk assessment paradigm dealing mostly with one-by-one chemicals dismisses potential synergisms or interactions from exposures to mixtures of contaminants, particularly at the low-exposure range. Thus, evidence is needed on exposure and health effects of mixtures of contaminants in drinking water [ 4 ].

In a special issue on “Drinking Water Quality and Human Health” IJERPH [ 5 ], 20 papers were recently published on different topics related to drinking water. Eight papers were on microbiological contamination, 11 papers on chemical contamination, and one on radioactivity. Five of the eight papers were on microbiology and the one on radioactivity concerned developing countries, but none on chemical quality. In fact, all the papers on chemical contamination were from industrialized countries, illustrating that microbial quality is still the priority in LMICs. However, chemical pollution from a diversity of sources may also affect these settings and research will be necessary in the future.

Concerning microbiological contamination, one paper deals with the quality of well water in Maryland, USA [ 6 ], and it confirms the frequent contamination by fecal indicators and recommends continuous monitoring of such unregulated water. Another paper did a review of Vibrio pathogens, which are an ongoing concern in rural sub-Saharan Africa [ 7 ]. Two papers focus on the importance of global primary prevention. One investigated the effectiveness of Water Safety Plans (WSP) implemented in 12 countries of the Asia-Pacific region [ 8 ]. The other evaluated the lack of intervention to improve Water, Sanitation and Hygiene (WASH) in Nigerian communities and its effect on the frequency of common childhood diseases (mainly diarrhea) in children [ 9 ]. The efficacies of two types of intervention were also presented. One was a cost-effective household treatment in a village in South Africa [ 10 ], the other a community intervention in mid-western Nepal [ 11 ]. Finally, two epidemiological studies were conducted in industrialized countries. A time-series study evaluated the association between general indicators of drinking water quality (mainly turbidity) and the occurrence of gastroenteritis in 17 urban sites in the USA and Europe. [ 12 ] The other evaluated the performance of an algorithm to predict the occurrence of waterborne disease outbreaks in France [ 13 ].

On the eleven papers on chemical contamination, three focused on the descriptive characteristics of the contamination: one on nitrite seasonality in Finland [ 14 ], the second on geogenic cation (Na, K, Mg, and Ca) stability in Denmark [ 15 ] and the third on historical variation of THM concentrations in french water networks [ 16 ]. Another paper focused on fluoride exposure assessments using biomonitoring data in the Canadian population [ 17 ]. The other papers targeted the health effects associated with drinking water contamination. An extensive up-to-date review was provided regarding the health effects of nitrate [ 18 ]. A more limited review was on heterogeneity in studies on cancer and disinfection by-products [ 19 ]. A thorough epidemiological study on adverse birth outcomes and atrazine exposure in Ohio found a small link with lower birth weight [ 20 ]. Another more geographical study, found a link between some characteristics of drinking water in Taiwan and chronic kidney diseases [ 21 ]. Finally, the other papers discuss the methods of deriving drinking water standards. One focuses on manganese in Quebec, Canada [ 22 ], another on the screening values for pharmaceuticals in drinking water, in Minnesota, USA [ 23 ]. The latter developed the methodology used in Minnesota to derive guidelines—taking the enhanced exposure of young babies to water chemicals into particular consideration [ 24 ]. Finally, the paper on radioactivity presented a description of Polonium 210 water contamination in Malaysia [ 25 ].

In conclusion, despite several constraints (e.g., time schedule, fees, etc.), co-editors were satisfied to gather 20 papers by worldwide teams on such important topics. Our small experience demonstrates the variety and importance of microbiological and chemical contamination of drinking water and their possible health effects.

Acknowledgments

Authors want to acknowledge the important work of the IJERPH staff and of numbers of anonymous reviewers.

Author Contributions

P.L. wrote a first draft of the editorial and approved the final version. C.M.V. did a critical review and added important complementary information to finalize this editorial.

This editorial work received no special funding.

Conflicts of Interest

The authors declare no conflict of interest.

67 Water Quality Essay Topic Ideas & Examples

🏆 best water quality topic ideas & essay examples, 📌 good research topics about water quality, 🔎 interesting topics to write about water quality.

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Research on reclaimed water from the past to the future: a review

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Water Pollution and Treatment Technologies

Decision making for implementing non-traditional water sources: a review of challenges and potential solutions

Hunter Quon & Sunny Jiang

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Acknowledgements

This work was supported by the National Science Foundation of China [Grant No.51409189]; Training Program for Innovative Research Team in Tianjin Institutions of Higher Education [TD13-5021]; and Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology. The authors also thank the reviewers for their detailed comments.

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Li, X., Li, X. & Li, Y. Research on reclaimed water from the past to the future: a review. Environ Dev Sustain 24 , 112–137 (2022). https://doi.org/10.1007/s10668-021-01495-w

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Acid mine drainage is shown at the Richard Mine site near Morgantown. WVU is co-hosting an international conference to discuss mine water and reclamation April 21-26. (WVU Photo/Brian Persinger)

WHAT: West Virginia University will co-host the 2024 Mine Drainage Task Force Symposium and 15th International Mine Water Association Congress , bringing together mining, water and reclamation experts from around the world who will provide the latest updates on research, regulations and practices involving mine drainage, water quality and rare earth element extraction.  

WHEN: April 21-April 26

WHERE: The Morgantown Event Center, Morgantown Marriott at Waterfront Place, 2 Waterfront Place, Morgantown

WHO: Paul Ziemkiewicz , director of the West Virginia Water Research Institute at WVU ; Jeffrey Skousen , professor of soil science  and  WVU Extension  land reclamation specialist; Dorothy Vesper , professor of geology ; John Quaranta , associate professor of civil and environmental engineering ; Mike Strager , professor of resource economics; Paul Kinder , director of the Natural Resource Analysis Center at WVU ; and other mining, reclamation and water experts from around the world

NOTES: The West Virginia Mine Drainage Task Force was formed in 1978 to investigate acid mine drainage associated with surface mining in central West Virginia. Since then, the task force has broadened its scope to include areas outside of West Virginia and research of many diverse mine drainage issues. This year, the task force is combining its annual event with the International Mine Water Association, which boasts more than 500 members across the globe.

The event is poised to be the largest international congregation of mine water experts.

Speakers will include experts in industry, government and higher education. Ziemkiewicz, whose work with rare earth element extraction has garnered national attention, will serve as a keynote speaker, as will Steve Feldgus, principal deputy assistant secretary for land and minerals management, under the U.S. Department of the Interior.

Find more information and the conference agenda .

MEDIA CONTACT: Jake Stump Director WVU Research Communications 304-293-5507; [email protected]

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Projected growth in Santa Rosa requires longterm planning for water quality | Sen. Broxson

Growth is coming. 

Over the last two Santa Rosa election cycles the issue of county growth was, as it should be, a matter of concern to the citizens. In more recent weeks the Santa Rosa legislative delegation met with representatives of the North Santa Rosa Utilities Coalition . We heard them loud and clear.

They said, “Our franchise operators are doing a good job. The rate payers are happy, and we are not going to ask them to pay higher rates for infrastructure to accommodate new growth. So, leave us alone.”   

Utilities discussion: Santa Rosa residents show up in droves to oppose a proposed north county utility authority

To their credit these community operated water co-ops have performed admirably over a long period of time. Unfortunately, the days of slow to moderate growth are slipping away, and independent water boards located within multiple geo-political boundaries are not organized to resolve broader, countywide issues. Their ability to attract large appropriations or major grants is limited by government’s reluctance to fund projects limited in scope and regional impact. When it comes to growth, we have to take the long view.

Quality of life issues − reasonable growth, fire-safety and economic development − depend upon the availability of abundant water supplies. The Santa Rosa legislative delegation has witnessed the effects of poor planning and slow responses to growth in other parts of the state. Now, millions of taxpayer dollars are being pumped into other areas of the state to correct mistakes related to poor planning. 

For these reasons the delegation has proposed legislation that will create the “North Santa Rosa Utility Planning Commission.” This new commission will rely on leadership from the Santa Rosa County Board of Commissioners, the North Santa Rosa Utilities Coalition and the West Florida Water Management district to develop a 20-year plan for the area and make a report with recommendations to the West Florida legislative delegation by June of 2026. 

Americans from other regions of the country want to live, work and raise their families in the free state of Florida. Our state, region and county are attractive for a great many reasons. If we are to accommodate growth of any kind and maintain the good quality of life enjoyed by all Santa Rosans, we must unify our vision for the future and act now. 

Sen. Doug Broxson represents Florida Senate District 1 including Santa Rosa and Escambia counties.

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What federal education data shows about students with disabilities in the U.S.

Public K-12 schools in the United States educate about 7.3 million students with disabilities – a number that has grown over the last few decades. Disabled students ages 3 to 21 are served under the federal  Individuals with Disabilities Education Act (IDEA) , which guarantees them the right to free public education and appropriate special education services.

For Disability Pride Month , here are some key facts about public school students with disabilities, based on the latest data from the  National Center for Education Statistics (NCES) .

July is both Disability Pride Month and the anniversary of the Americans with Disabilities Act. To mark these occasions, Pew Research Center used federal education data from  the National Center for Education Statistics  to learn more about students who receive special education services in U.S. public schools.

In this analysis, students with disabilities include those ages 3 to 21 who are served under the federal  Individuals with Disabilities Education Act (IDEA) . Through IDEA, children with disabilities are guaranteed a “free appropriate public education,” including special education and related services.

The 7.3 million disabled students in the U.S. made up 15% of national public school enrollment during the 2021-22 school year. The population of students in prekindergarten through 12th grade who are served under IDEA has grown in both number and share over the last few decades. During the 2010-11 school year, for instance, there were 6.4 million students with disabilities in U.S. public schools, accounting for 13% of enrollment.

The number of students receiving special education services temporarily dropped during the coronavirus pandemic – the first decline in a decade. Between the 2019-20 and 2020-21 school years, the number of students receiving special education services decreased by 1%, from 7.3 million to 7.2 million. This was the first year-over-year drop in special education enrollment since 2011-12.

The decline in students receiving special education services was part of a 3% decline in the overall number of students enrolled in public schools between 2019-20 and 2020-21. While special education enrollment bounced back to pre-pandemic levels in the 2021-22 school year, overall public school enrollment remained flat.

These enrollment trends may reflect some of the learning difficulties and health concerns students with disabilities and their families faced during the height of the COVID-19 pandemic , which limited or paused special education services in many school districts.

Many school districts struggle to hire special education professionals. During the 2020-21 school year, 40% of public schools that had a special education teaching vacancy reported that they either found it very difficult to fill the position or were not able to do so.

Foreign languages (43%) and physical sciences (37%) were the only subjects with similarly large shares of hard-to-fill teaching vacancies at public schools that were looking to hire in those fields.

While the COVID-19 pandemic called attention to a nationwide teacher shortage , special education positions have long been among the most difficult for school districts to fill .

The most common type of disability for students in prekindergarten through 12th grade involves “specific learning disabilities,” such as dyslexia.  In 2021-22, about a third of students (32%) receiving services under IDEA had a specific learning disability. Some 19% had a speech or language impairment, while 15% had a chronic or acute health problem that adversely affected their educational performance. Chronic or acute health problems include ailments such as heart conditions, asthma, sickle cell anemia, epilepsy, leukemia and diabetes.

Students with autism made up 12% of the nation’s schoolchildren with disabilities in 2021-22, compared with 1.5% in 2000-01.  During those two decades, the share of disabled students with a specific learning disability, such as dyslexia, declined from 45% to 32%.

The percentage of students receiving special education services varies widely across states. New York serves the largest share of disabled students in the country at 20.5% of its overall public school enrollment. Pennsylvania (20.2%), Maine (20.1%) and Massachusetts (19.3%) serve the next-largest shares. The states serving the lowest shares of disabled students include Texas and Idaho (both 11.7%) and Hawaii (11.3%).

Between the 2000-01 and 2021-22 school years, all but 12 states experienced growth in their disabled student populations. The biggest increase occurred in Utah, where the disabled student population rose by 65%. Rhode Island saw the largest decline of 22%.

These differences by state are likely the result of inconsistencies in how states determine which students are eligible for special education services and challenges in identifying disabled children.

The racial and ethnic makeup of the nation’s special education students is similar to public school students overall, but there are differences by sex.  About two-thirds of disabled students (65%) are male, while 34% are female, according to data from the 2021-22 school year. Overall student enrollment is about evenly split between boys and girls.

Research has shown that decisions about whether to recommend a student for special education may be influenced by their school’s socioeconomic makeup, as well as by the school’s test scores and other academic markers.

Note: This is an update of a post originally published April 23, 2020.

About 1 in 4 U.S. teachers say their school went into a gun-related lockdown in the last school year

About half of americans say public k-12 education is going in the wrong direction, what public k-12 teachers want americans to know about teaching, what’s it like to be a teacher in america today, race and lgbtq issues in k-12 schools, most popular.

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