Talking to my school counsellor for the first time? *10 points*?

That's what talking to the school counselor is for. The counselor will be able to help you get better grades and become more confident. YOU SHOULD GO. i mean sure youu'll be a bit uncomfortable telling a stranger your personal conflicts; but at the same time you'll be surprised how well he/she wil be able to relate.They're not there to judge you but to help.