I LIKE this PERSON t!!!!!!!?

well 1st of all i want to give them a not saying that i like them and i want to get to know them but i chicken out everytime i see them im in the (9th) grade and the very last cl i have is when i see them but i cant get enough courage to just give them the note BECAUSE im afraid of what they might think AND i like this person alot but i dont know nothing about them PLEASE HLP ME !!!!! idk what to do...