Make A Kilt What Length Should I Make My Uniform Kilt?

What length should I make my uniform kilt? - make a kilt

I go to a private school and I saw many girls her short skirts ... In the beginning of school in the fall, and I will not make a bad impression with a skirt too short, what to look slutty or a skirt to look too long and just makes my legs really ugly

how many inches above the knee should i hem is it?