Why not go to talk with others? Maybe going to talk with them on your own will make you make friends soon. And, maybe your classmates are just shy.If you go to talk with them on your own, they will make friends with you.
Why not take the initiative to talk to them? May take the initiative to talk to them will make you faster to make friends, and maybe your classmates just shy, you take the initiative to talk to them, they will be your friend.