I'm trying hard to be a trustworthy friend to a classmate and it's not working. Is it okay to let you know this right now?
So, you really want to tell me now? What is happening instead?
I always get ignored and pushed aside.
It's nice that you're trying to be a good friend. Sometimes our attempts at friendship don't work out. You should try to befriend a different classmate.
I did!
You have done the right thing and moved on. The other classmate just didn't understand you well enough or have your interests at heart, it happens.