I can't stop thinking about him... My teacher?

I am in love with my teacher and I think he feels the same. I often catch him staring at me and he goes bright red in front of the whole class! He stammers and mixes up his words too. I really want to talk to him but I am afraid I'll mess up and am really nervous. I sit at the very back of class and I am the only girl who wears a skirt with over knee socks haha. Any suggestions on what I can do to somehow communicate with him because at the moment I'm a quiet girl in his class and barely ever talk he doesn't even ask me questions!
I can't stop thinking about him... My teacher?
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