Study: Schools’ social media posts may be compromising student privacy
US schools have shared an estimated 4.9 million Facebook posts with identifiable images of students
Peer-Reviewed PublicationWashington, November 2, 2022—U.S. schools and school districts have shared an estimated 4.9 million posts that include identifiable images of students on public Facebook pages, unintentionally putting student privacy at risk, according to a new study. Around 726,000 of these posts are thought to identify one or more students by their first and last names. The research was published today in Educational Researcher, a peer-reviewed journal of the American Educational Research Association.
The study examined publicly accessible posts on U.S. school and school district Facebook pages from 2005 to 2020. During that time, schools published about 18 million posts, with the annual frequency of posts, and the proportion of posts with photos, increasing each year. Public Facebook posts are accessible by all visitors to the platform, including those without a Facebook account.
Video: Coauthor Joshua M. Rosenberg discusses major findings and implications of the research
“While the percentage of Facebook posts that identified students was small, the sheer volume of posts meant that hundreds of thousands of students had personally identifiable information shared by their schools,” said coauthor Joshua M. Rosenberg, an assistant professor of STEM education at the University of Tennessee, Knoxville. “These findings suggest that student privacy may inadvertently be threatened by the social media activity of schools and districts.”
While previous research has looked at how social media sharing by individual educators may place the privacy of students at risk, Rosenberg notes this study is the first to consider the privacy implications of social media activities undertaken by schools and districts.
Rosenberg conducted the study with Conrad Borchers (Carnegie Mellon University), Macy A. Burchfield (University of Tennessee, Knoxville), Daniel Anderson (Abl Schools), Sondra M. Stegenga (University of Utah), and Christian Fischer (University of Tübingen).
Using CrowdTangle, Facebook’s tool for scholars and journalists that provides access to data on the platform’s public posts, the researchers accessed public Facebook posts from all public schools and school districts in the United States. They found the posts by searching for links to Facebook pages from school and district website homepages. Thus, only schools and districts that linked to their Facebook page from their homepage were included in the sample.
The researchers found that of the 18 million posts, approximately 13.9 million included images of individuals of any age. Extrapolating from an analysis of a randomly selected sample of posts, the researchers estimated that 4.9 million of the posts had identifiable images of students, and 726,000 of these identified students’ first and last names.
“The posts we studied may represent the largest existing collection of publicly accessible, identifiable images of minors,” said Rosenberg. “It is likely that the photos are being accessed by a range of actors, including government agencies, predictive policing companies, and those with nefarious intent.”
The study notes that government agencies in the U.S. and other countries regularly access public social media data for purposes ranging from monitoring immigration and predicting crime risks to documenting social connections. It also notes that the Australian government’s online safety agency has reported that tens of millions of harmless images of minors originally shared on social media have been downloaded and saved on child exploitation sites.
“The threat to privacy will continue to grow, perhaps quickly, due to expanding facial recognition technology,” said Rosenberg. He also explained that a simple reverse image search on Google could link a student to other sources of personally identifiable information online.
Rosenberg and his coauthors said there are practical steps that school leaders could take to mitigate risks. These include not including students’ full names in posts; asking parents to opt in to, rather than opt out of, the sharing of their children’s information on school social media; making it easy for parents to request that photos of their children be removed; and making school or district pages private.
Media companies, Rosenberg added, should consider changing the default settings for schools, automatically making pages private, which would drastically reduce the risk that student information is collected at a large scale for unintended secondary uses.
He also noted policymakers and government regulators could do more to reduce the risk that schools and other organizations that serve children will inadvertently compromise children’s privacy.
“As a nation, the U.S. needs to devote greater attention and resources to mitigating the potential downsides of the pervasive sharing of children’s information on social media, particularly when it is organizations such as schools and districts that are doing the sharing,” said Rosenberg.
The study’s authors acknowledged the importance of parent engagement efforts, including the use of social media by schools. However, they noted this must always be balanced with safety and privacy protections on multiple levels.
“While parents and schools can take steps to protect student privacy, it is also the responsibility of social media platforms and the wider society to ensure that policies and regulations keep pace with rapidly evolving technology, Rosenberg said.
Study Citation: Rosenberg, J. M., Borchers, C., Burchfield, M. A., Anderson, D., Stegenga, S. M., & Fischer, C. (2022). Posts about students on Facebook: A data ethics perspective. Educational Researcher. Prepublished November 2, 2022. https://www.doi.org/10.3102/0013189X221120538.
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About AERA
The American Educational Research Association (AERA) is the largest national interdisciplinary research association devoted to the scientific study of education and learning. Founded in 1916, AERA advances knowledge about education, encourages scholarly inquiry related to education, and promotes the use of research to improve education and serve the public good. Find AERA on Facebook, Twitter, and Instagram.
JOURNAL
Educational Researcher
ARTICLE TITLE
Posts About Students on Facebook: A Data Ethics Perspective
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