Consider this claim: school uniforms should be mandatory for all students. which statement gives the strongest evidence to support this claim? according to the board of education, “school uniforms improve behavior, build school spirit, and develop a student’s sense of belonging.” making school uniforms mandatory directly contradicts americans’ first amendment right to express themselves freely. chris hammock, a mother of three high school students, said that mandatory school uniforms would make back-to-school shopping much easier. recent reports indicate that school uniforms have a minimal impact on attendance rates in new york city public schools.