I'mma be real with you, never read it so idk what it's about but on the cover there's two high school dudes so uhh, here are some GLs set in school!!
High-school setting GLs:
https://www.mangago.me/read-manga/hana_ni_arashi_kovachi_luka/
https://www.mangago.me/read-manga/hello_melancholic/
https://www.mangago.me/read-manga/hertz_around_you/
https://www.mangago.me/read-manga/sora_haena/
https://www.mangago.me/read-manga/she_is_still_cute_today/
https://www.mangago.me/read-manga/ouji_sama_nante_iranai/
https://www.mangago.me/read-manga/soulmate_yuri/
https://www.mangago.me/read-manga/useless_princesses/
https://www.mangago.me/read-manga/can_t_defy_the_lonely_girl/
https://www.mangago.me/read-manga/eventually_i_will_become_yours/
https://www.mangago.me/read-manga/a_model_advisory/
https://www.mangago.me/read-manga/asagao_to_kase_san/ (SEQUEL: https://www.mangago.me/read-manga/yamada_to_kase_san/)
https://www.mangago.me/read-manga/ikemen_sugidesu_shiki_senpai/
https://www.mangago.me/read-manga/girl_friends/
https://www.mangago.me/read-manga/between_summer_fall/
https://www.mangago.me/read-manga/dokyuusei_no_oshi_sakka_ni_yuri_mousou_ga_bareta_kekka/
https://www.mangago.me/read-manga/hana_to_hoshi/
https://www.mangago.me/read-manga/ano_koro_no_aoi_hoshi/
https://www.mangago.me/read-manga/hana_to_hina_wa_houkago/
https://www.mangago.me/read-manga/futaribeya/
https://www.mangago.me/read-manga/odoriba_ni_sukaato_ga_naru/
https://www.mangago.me/read-manga/koi_yori_aoku_oneshot/
https://www.mangago.me/read-manga/the_moon_on_a_rainy_night/
https://www.mangago.me/read-manga/pink_ribbon/
https://www.mangago.me/read-manga/shoujo_manga_protagonist_x_rival_san/
https://www.mangago.me/read-manga/our_yuri_started_with_me_getting_rejected_in_a_dream/
https://www.mangago.me/read-manga/how_do_i_get_together_with_my_childhood_friend/
https://www.mangago.me/read-manga/love_allergy_syndrome/
https://www.mangago.me/read-manga/shy_na_ano_ko_ni_natsukaretai/
https://www.mangago.me/read-manga/kimi_ga_hoeru_tame_no_uta_wo/
https://www.mangago.me/read-manga/yearning_for_a_night_full_of_you/
https://www.mangago.me/read-manga/yume_to_koi_dewa_tsuriawanai/
https://www.mangago.me/read-manga/kimi_no_tame_no_curtain_call/
https://www.mangago.me/read-manga/spring_a_minuet/ (one-shot)
College setting:
https://www.mangago.me/read-manga/love_countdown/
https://www.mangago.me/read-manga/my_princess_charming/
https://www.mangago.me/read-manga/the_love_doctor/
https://www.mangago.me/read-manga/senpai_oishii_desu_ka/
https://www.mangago.me/read-manga/dallaeya/
https://www.mangago.me/read-manga/exciting_feelings/
https://www.mangago.me/read-manga/happiness_rides_a_broomstick/
https://www.mangago.me/read-manga/kamiina_botan_yoeru_sugara_wa_yuri_no_hana/
https://www.mangago.me/read-manga/anything_okay/
https://www.mangago.me/read-manga/hate_me/
https://www.mangago.me/read-manga/45_seconds/
https://www.mangago.me/read-manga/the_girlfriend_project/
https://www.mangago.me/read-manga/yamada_to_kase_san/ (PREQUEL: https://www.mangago.me/read-manga/asagao_to_kase_san/)
https://www.mangago.me/read-manga/my_girlfriend_is_a_gamer/
High-school and college setting:
https://www.mangago.me/read-manga/that_time_i_was_blackmailed_by_the_class_s_green_tea_bitch/
https://www.mangago.me/read-manga/love_gives_me_superpowers/
Please recommend me yuri stories that have the same vibe as the BL story merry marbling, tysm!