These mainly have good art and the story-line somewhat started in the school-age
here u go:
http://www.mangago.me/read-manga/i_want_to_hear_your_confession/
http://www.mangago.me/read-manga/semantic_error/
http://www.mangago.me/read-manga/salad_days_tang_liuzang/
http://www.mangago.me/read-manga/can_t_help_it/ (...yaoi)
http://www.mangago.me/read-manga/too_close/
http://www.mangago.me/read-manga/mr_miss/
this one is good but not that smooth going: http://www.mangago.me/read-manga/fragile_relationship/
http://www.mangago.me/read-manga/faded_first_love/
And you can look for more from here, the school life ones ^ ^ http://www.mangago.me/home/mangalist/767246/
I just want something cute in a high school setting that's fluffy and romantic (づ￣ ³￣)づ
lemme know if you have any recs