I am a teenage girl myself and I have had different kind of hairstyles and colours.
I do hairdressing so i know which is best for who.
I personally think very dark brown hair or light blonde .....
here is one i like. it would make you look preppy though.
1.curl your hair then put it up in a ponytail.
here is two more.
2.tie half of your hair and leave the other half down. (classic)
3.die...