my teachers hate me

last semester, i had pretty low grades. my gpa was literally a 0.666 . but it was because i spent a month out sick, right? i couldn’t really control it, plus i have really bad adhd, and i’m bad with managing that stuff. i dropped a couple classes, switched some things around. it was just really bad. this semester, though, i started out with straight A’s, a 4.00, everything was looking good, i was on top of it all, and i was happy. but then my ceramics teacher tanked me. she gave me a C- in the class, and i’m not sure why. i get all my work done, and i think i do a pretty good job. my projects meet all the requirements, and i think they’re better than a lot of the class tbh. but i don’t do prep work. my teacher gets so mad about that. pretty much, she wants me to use references, so pre sketches, and put all my ideas out on paper before i start my projects. but my brain doesn’t work that way. if i plan (creative) things before i start, it just messes me up. i work best when i just let the ideas flow freely. and she hates that, so she’s tanking my grades. THEN on top of that, i missed a test in woodshop, and that brought my grade from a A+ down to a C-. i’m not sure what to do about it, and it’s really stressing me out. what should i do?