 If you liked Great Teacher Onizuka |  ...then you might like I My Me! Strawberry Eggs |
In both, innovative teachers try to change the students and the schools they are working at. They are confronted by the school authorities and supported by the students. Both are kind, humane anime series with the elements of comedy, nevertheless, both touch serious social issues. GTO, however, tends to be deeper, while I My Me! is more light-hearted.
Both involve a new, unexpected teacher working in a school challenging the obstacles that are thrown at them. For example, the vice principal in both series try to find the one slip-up that will get the teacher fired. They also both focus heavily on the teacher trying to help their students in their troubles with genuine love and care for them. Lots of drama, romance, and comedy from both series with similar soundtracks that tend to provoke emotion.