While many have highlighted the school-to-prison pipeline phenomenon, we are less likely to confront the schools-as-prisons reality many high-poverty and minority children suffer; and thus, a reader:
When High School Students Are Treated Like Prisoners
Education Reform in the New Jim Crow Era
Review: Police in the Hallways: Confronting the “Culture of Control”
Authoritarian Schools, Authoritarian State in the Service of Privilege
dr. p.l. (paul) thomas 
They treat middle schoolers here in Sarasota schools like prison inmates as well. <—eyewitness