Oresama Teacher
Ongoing | tsubaki izumi | 2008 released
The beginning is a little sketchy but after a while it really find its grounding and is FUNNY AF. It also teases a teacher/student pairing which yikes but it doesn't seem to actually be going there. CW: Violence, Abuse (?), Non consensual,
Gokusen
Complete | MORIMOTO Kozueko | 2000 released
Funny manga about an "Oneesan" who becomes a math teacher at a school full of delinquents. This has a Teacher/Student pairing, and honestly the only one I accept. It's just handled in a super non gross way. CW: Rape Culture, Attempted Rape, Violence
Modokidomo
Ongoing | Aokawa Nana | 2000 released
Summary: A delinquent girl vows to become a honor student in high school as a nerd vows to become a delinquent. They team up in order to help each other. The story is very funny and has a feel good atmosphere
Rose Hip Rose