i think ít's necessary for secondary students to wear casual clothes when they are at school because of the following reasons
firstly , wearing casual clothes make students feel , comfortable . ít's easy for them to travel
secondly , wearing casual clothes give students freedom of choice about size , colors and fashion
nextly , wearing casual clothes makes students feel - confident when they are in their favorite clothes and makes school more colorful and lively
therefore , students in secondary schools should wear casual clothes