Fill in each gap with one suitable word

Fill in each gap with one suitable word
I think it is (1)....................for students to wear uniforms when they are (2).............school.
Firstly, uniforms encourage students to be proud (3).............being students of the school they are going to because they are wearing the uniforms with (4)..........bearing their school's (5)..............
Secondly, wearing uniforms helps students feel equal in many ways. Everyone starts from the same place, whether they are rich or (6)..............They are really friendly to one (7).............under one school roof.
Finally, wearing uniforms is practical. You don't have to think of what to wear everyday.
Therefore, all students, from primary to (8)...............schools should wear uniforms.