What's your number? <a href=" http://nobrow.net/test-freak-vs-test-x180.pptx#wait ">anyone use test x180</a> Uniforms were once required mostly by U.S. private and parochial schools. More public schools have begun to require them. Many school principals are advocating a uniform policy citing its positive impact on issues like peer pressure, classroom discipline, student safety and bullying.