Uniform. A uniform worn by students in educational institutions. The dress uniform is based on the dress to match the occasion of the school or institution.
School uniform is a dress uniform of the students wear in educational institutions, by appointing school uniform to dress up, to the time and place of the school or institution.
a uniform is a student of the students wear uniforms, in educational institutions, the student uniform is based on the well-dressed, into the very tactless of school or educational institution.