There are several reasons why school uniforms are a good idea. First of all. Uniform s help the school look smart. The students feel that they belong to a particular group. When every pupil in the school wears the uniform, nobody 1 (have) to worry about fashion ( 时尚 ). Everybody wears 2 same style of clothes. Uniforms can be useful in unexpected ways. A school in Ireland has introduced an interesting new uniform. On the edge of the Jacket, there is a piece of cloth 3 gives off light in the dark. When the children are walking or 4 (cycle) to school on dark mornings, car drivers can 5 (easy) see them . But can uniforms help improve school standards? The answer 6 this question is not clear. One study in America found that students' grades 7 (improve) a little after the school introduced uniforms. But some students didn’t want 8 (wear) the uniform. Other American studies showed no 9 (connect) between uniforms and school performance . School uniforms are 10 (tradition) in Britain, but some schools are starting to get rid of them. Some very good schools don't have a uniform policy. However, uniforms are still popular. Pupils at about 90 percent of British secondary schools wear uniforms.