It shouldn't be your fault.. at all. She should have gotten a map - or listened better!

If you got a B or an A++++ It wouldn't show on your high-school graduation diploma. But still, don't beat yourself over it, at the same time don't lose motivation. Not that I'm telling you to quit studying just don't make it a huge deal

Your school, middle or high school, would provide you a counselor, and going on here is a helpful step