Is he flirting???

heyy! okayy well there is dis guy...we are rele good frnds && we dated for 3 months. but now we are just rele good frnds! we have our inside jokes...we even have a song...NO AIR!!! little does he no im still in love with him. ALL of mi frnds like him (even though its tottal girl code not 2 date frnds ex`s). wen i see him in da hallway he doesn`t smile but he looks at me kinda weird but then he starts laughing so i no hes kidding. (im in 8th grade btw) i talk to him all da time in cl && most of da teachers think were dating. in cl we start singing "no air" to each other. its all true to me but idk to him. Wen we txt we still say "i luv u" @ da end of da conversation. he goes to da movies wit me && mi bestie (she is mi only frnd hoo doesn't like him cuz she has known him 4eva)! I still stop at his locker && talk 2 him && we walk down da hall 2 geth. all da kids think were dating 2. all mi frnds even da 1s hoo like him think i like him. i deny them evry time. so iz he flirting???