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.