Girl don't do it
It's not worth it
I know it feels like a lot, but just push through and you'll eventually grow apart in a couple of years. Crushing on a straight girl is just going to drain you. Even if she agrees to go out with you out of curiosity, it's not going to end well.
Maybe you'll meet her again in the distant future AFTER you've moved on, and then you can be friends again

so basically i have a crush on this girl at my school and we just started becoming friends last year but ive always noticed her. i cant stop thinking about her but ik she'll never look at me that way cause she told me herself she could never imagine herself getting romantically involved with a girl. this is my last school year should i make a move. everyone here is so conservative so somehow everyone finds out i could get in big trouble for liking a girl