I study so much & work so hard for my classes but still not getting the grade I want :(

I study so much & work so hard for my classes but still not getting the grade I want :( sucks to feel disappointed in myself
I study so much & work so hard for my classes but still not getting the grade I want 🙁 sucks to feel disappointed in myself

It sounds like you should be proud of your persistence and hard work, not disappointed! One of my assistants notes that they saw a Twitter thread the other day of dozens of current practicing STEM PhD’s (many with jobs at prestigious universities), who shared how poorly they did at various stages of their education, some even flunking out. Persistence wins! You can do this!