im looking for a yaoi/ shonen ai where the parents/ family/ friends find out about the rel...

try let dai not in a school setting though

http://www.mangago.me/read-manga/junai_seichouki/ I have mixed feelings about this one, at some point it becomes ridiculous (yaoi, smut)

http://www.mangago.me/read-manga/u_don_t_know_me/

http://www.mangago.me/read-manga/saa_koi_ni_ochitamae/

http://www.mangago.me/read-manga/kizudarake_no_airabuyuu/ (from p.75)

I assume you already know "Elektel..."

One more, but not in a school setting (two adults)
http://www.mangago.me/read-manga/like_that/

«◆[]◆» Parent/Family try to break them up
http://www.mangago.me/read-manga/kanashii_kotoba/
http://www.mangago.me/read-manga/fuson_na_hana_o_aisureba/
http://www.mangago.me/read-manga/tatsu_no_otoshigo/
http://www.mangago.me/read-manga/memory_of_the_future/
http://www.mangago.me/read-manga/kaze_no_yukue/
http://www.mangago.me/read-manga/neo_arcadia_yami_ni_saku_niji/
http://www.mangago.me/read-manga/follow/
http://www.mangago.me/read-manga/ani_no_hanashi/
http://www.mangago.me/read-manga/katekyo/
http://www.mangago.me/read-manga/kishidou_club_bangaihen/
http://www.mangago.me/read-manga/neji_no_kaiten/
http://www.mangago.me/read-manga/gochisousama/
http://www.mangago.me/read-manga/uchi_no_tantei_shirimasen_ka/
http://www.mangago.me/read-manga/kuroneko_kareshi_no_asobikata/
http://www.mangago.me/read-manga/kuroneko_kareshi_no_amaekata/
http://www.mangago.me/read-manga/kuroneko_kareshi_no_nakasekata/
http://www.mangago.me/read-manga/kuroneko_kareshi_no_itoshikata/

thanks everyone!