Responses
Mostly in high school:
https://www.mangago.zone/read-manga/dasadanan/
https://www.mangago.zone/read-manga/heesu_in_class_2/
https://www.mangago.zone/read-manga/kimi_no_tabegoro/
https://www.mangago.zone/read-manga/tell_me_you_can_hear_it/
https://www.mangago.zone/read-manga/ero_yume_aquarium/
First volumes are high school then they graduate and do other stuff for a majority of the manga:
https://www.mangago.zone/read-manga/doukyuusei_nakamura_asumiko/ (Series)
https://www.mangago.zone/read-manga/blue_sky_complex/
cute school life bl is all im asking for