What to wear at school?

ok, i am 11 years old, and i'm a girl. i dont want to go shopping for anything. i am always like wearing sweatpants and stuff to school. or jeans. how can i be creative, and what should i wear? i am just wondering. i am on spring break right now, and my friend is coming back from florida soon, so when i see her at school, i really want her to notice me. so any ways to be creative, or what i should wear without going shopping? thanks. best answer gets 10 points!