Policemen Needed at High School ID: 3628 | This file appears in: Collinwood High School Riots Reoccurring incidents of threats against black students at Collinwood High School prompted the need for policemen to keep threatened students protected. Officers would have to shield black and white students from one another. | Source: Cleveland Memory Project, Cleveland State University Library Special Collections Download Original File SourceCleveland Memory Project, Cleveland State University Library Special Collections "Policemen Needed at High School" appears in: Collinwood High School Riots