could anyone recommend me a school bl with nice art (idc if yaoi or shi unen si). for exam...

Here’s a few I know of that I remember liking the art-

http://www.mangago.zone/read-manga/i_seriously_can_t_believe_you/
http://www.mangago.zone/read-manga/you_re_my_princess/
http://www.mangago.zone/read-manga/dokusenn_shitemo_iidesuka/
http://www.mangago.zone/read-manga/ganbare_nakamura_kun/
http://www.mangago.zone/read-manga/houkago_edge/

Hope this helps!! ^w^

Hi! Here's a bunch of school life:
HS
http://www.mangago.zone/read-manga/seven_days/
http://www.mangago.zone/read-manga/mikami_to_sato_wa_mada_yamashikunai/
http://www.mangago.zone/read-manga/gunjou_no_subete/
http://www.mangago.zone/read-manga/kimi_wa_natsu_no_naka/
http://www.mangago.zone/read-manga/tasogare_outfocus/
http://www.mangago.zone/read-manga/i_seriously_can_t_believe_you/
http://www.mangago.zone/read-manga/yamete_kudasai_mabushii_desu/
http://www.mangago.zone/read-manga/urusai_kurai_no_kokuhaku_kudasai/
http://www.mangago.zone/read-manga/kore_wa_koi_ni_fukumare_masu_ka/
http://www.mangago.zone/read-manga/golden_sparkle/
http://www.mangago.zone/read-manga/eyes_speak_more_love_than_the_mouth/
http://www.mangago.zone/read-manga/harenochi_shikibu/
http://www.mangago.zone/read-manga/mihanada_pectolite/
http://www.mangago.zone/read-manga/koi_ni_mo_naranai/
http://www.mangago.zone/read-manga/kiyona_yubisaki_bukiyona_tsumasaki/
http://www.mangago.zone/read-manga/dasadanan/
http://www.mangago.zone/read-manga/negative_kun_to_positive_kun/
http://www.mangago.zone/read-manga/jackass_sawatte_ii_tte_dare_ga_itta_yo/
http://www.mangago.zone/read-manga/tadatada_suki_to_iu_dake_de/
http://www.mangago.zone/read-manga/bukiyo_na_bokura_no_sukima/
http://www.mangago.zone/read-manga/dekoboko_sugar_days/
http://www.mangago.zone/read-manga/hidamari_no_orange/
http://www.mangago.zone/read-manga/slow_starter_ichikawa_kei/
http://www.mangago.zone/read-manga/kino_to_yano/
http://www.mangago.zone/read-manga/himitsu_no_love_sensation/
http://www.mangago.zone/read-manga/ore_no_aoharu_wa_watasanai/
http://www.mangago.zone/read-manga/konosaki_wa_futarikiride/
http://www.mangago.zone/read-manga/chihira_kun_wa_maryoku_ga_tarinai/
http://www.mangago.zone/read-manga/nomi_shiba/
http://www.mangago.zone/read-manga/kisses_x_kiss_x_kisses/
http://www.mangago.zone/read-manga/my_quiet_best_friend_s_just_tongue_tied/
http://www.mangago.zone/read-manga/goshujinsama_wa_ouji_ga_o_suki/

College
http://www.mangago.zone/read-manga/sugar_dog_life/
http://www.mangago.zone/read-manga/kimi_to_no_dogfight/
http://www.mangago.zone/read-manga/living_with_him/
http://www.mangago.zone/read-manga/tomodachi_ijou_no_koto_shitai/
http://www.mangago.zone/read-manga/hoshi_dake_ga_shitteru/
http://www.mangago.zone/read-manga/the_two_lions/
http://www.mangago.zone/read-manga/doutei_nana_kun_foreign_love/
http://www.mangago.zone/read-manga/yakimochi_wa_kitsuneiro/
http://www.mangago.zone/read-manga/a_prince_in_a_luxurious_mansion/
http://www.mangago.zone/read-manga/hello_green_days/
http://www.mangago.zone/read-manga/dress_him_up/?9akv
http://www.mangago.zone/read-manga/okubyoumono_ni_i_love_you/
http://www.mangago.zone/read-manga/all_night_long_muno/

If you liked these then consider checking my lists out:
http://www.mangago.zone/home/mangalist/853996/
http://www.mangago.zone/home/mangalist/932570/
Enjoy!