Bl

okii here are some
https://www.mangago.me/read-manga/boy_meets_maria/
https://www.mangago.me/read-manga/link_and_ring/
https://www.mangago.me/read-manga/there_s_something_wrong_with_my_popularity/
https://www.mangago.me/read-manga/doukyuusei_nakamura_asumiko/ ( A classic and MUST READ)
https://www.mangago.me/read-manga/path_to_you/
https://www.mangago.me/read-manga/never_understand/ (Even tho I am recommending this, I personally didn't like it, but you never know- it might be your taste)

green apple paradise

https://www.mangago.me/read-manga/this_fluffy_love/

here are some more
https://www.mangago.me/read-manga/keppeki_danshi_kouryakuhou/
https://www.mangago.me/read-manga/living_with_him/
https://www.mangago.me/read-manga/2gether_the_series/
https://www.mangago.me/read-manga/yuutousei_wa_unmei_no_akai_ito_ni_sakaraitai/
https://www.mangago.me/read-manga/sensei_no_sensei/ (The main characters are teachers)
https://www.mangago.me/read-manga/cosmic_boy/
https://www.mangago.me/read-manga/ichi_ni_no_san/
Ik you asked for school life but I have also recommended college life!! Cause all the above mention mangas are A MUST READ!!