how to make your boring school uniform super cool

For the people who do have uniforms for school it's not fun at all having to wear the same thing over and over again...
So here are some cool ideas on how to change that:

here are some school uniforms in japan :

or if you prefer knee high socks or colorful tights headband...

or maybe you want something maybe more cute you can see from the movie saint trinians the girls dress more sexy than in average schools but still very cute and elegant