GIRLS: does this girl like me? its long but i need help so plz answer thanks?

ok im 13 in 7th grade and theres this girl that i think might like me. this is rly long but plz help idk if she does or not. so a little bit about her shes in my homeroom and a cl with me we sit next to each other in both. i dont have her # and we dont kno each other that well. we talk a few times a week bcuz my friend is a ladies man lol so we end up talking. were both popular. so the signs: she sometimes talks about me to her friends. she watches me alot from the other side of the room , she found out some stupid nickname the gym teacher calls me and now teases me by calling me it (in a friendly way). me, her, and like 4 of my friends were in the lunch line and we were messin around alot like cutting and pokin each other and she was tryin to talk to me the whole time and she was saying stuff like alex is the only one being mature here even tho i was bein just as annoying as the others. my friends bother me alot about this girl i used to like and they think i still like her so my frend tj told her and she was like oooooh alex likes someone and tj said to her so do u probably and she said no i dont but she was glancin at me and blushing the whole time. and she and her friend were talking about spongebob in cl for no reason and she said i bet alex thinks were nuts. then her and like 3 other girls who sit near us were throwing markers around and i picked up one that was on the floor she dropped it and she said thanks alex and then she said im rly nice. once i was late to homeroom and she was like alex ur late! tsk tsk tsk (friendly teasing) and our cl had to carry projects downstairs and there was a rly big one so me and tj were carrying it and somethin fell off of it it was rite next to me but she blamed tj and said alex wouldnt b stupid enough to do that and me and tj couldnt carry the project down the stairs and the teacher said ok alex and tj need to take the elevator i need someone to take the key and open it for them and she wanted to. does she like me?