1. Note: * Indicates publications that were included in this systematic review.
2. American Civil Liberties Union. (2022). Police presence in schools. Retrieved March 1, 2022, from https://www.aclu.org/issues/juvenile-justice/school-prison-pipeline/police-presence-schools
3. Balingit M., Strauss V., Bellware K. (2020). Fueled by protests, school districts across the country cut ties with police. Washington Post. https://www.washingtonpost.com/education/2020/06/12/schools-police-george-floyd-protests/
4. Keeping the Peace and Controlling Crime: What School Resource Officers want School Personnel to Know
5. *Barrans M. E. (2010). Police presence in schools: An exploratory study of teachers’ and staff's perceptions of school resource officers [Unpublished doctoral dissertation]. University of Ottawa.