Does he like my bestfriend or me?

Alright im in high school and i have a huge crush on my classmate for 1 year. Last year he wouldn't even say goodmorning and i always had to open the conversation. This year i stopped talking to him or looking to him and i was ready to move on but he started talking to us... too much like suddenly. I dont know but he always starts the convo with my bestfriend when im with her. When im not with her i noticed that he doesn't talk to her. Like everytime tho im next to her he will come and talk to her and then to me. He also teases me a lot and makes fun of me. For example im bad at maths and on Friday we got our English tests and i got 20 and i started to say on my bestfruend broo i got 20 and u got 16 and we were making fun of eachother and then he came and said "dont worry you will get ur revenge on maths" i got so angry at that moment but i ignored him. He always does make this kind of jokes for me. He calls me crazy pants sometimes. I was thinking what if he likes my bestfriend but he knows she has a boyfriend for like 1 year. He also everytime i do my homework comes and sees everything and helps me. I dont know what does all this mean... He sometimes asks my bestfeiend to help him when im with her even tho his so clever and now she posted a video with cars and he liked her story. Its my biggest fear to like my best friend.

Does he like my bestfriend or me?
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