I have Really Think Curly hair that's frizzy & poofs up when i leave it down.I usually have up in a Ponytail?

i always have it in a ponytail and im bored of it and plus when i wash it , it gets hard to untangle. i wash my hair and put either mouse or gel on it and then the ponytail for school. i hate it and its boring ; i wanna change hairstyle pleease can u help me asap ! Thanks :)