can someone recommend me a yuri manga with a high school / college setting and maybe somet...

Yuri on ice ;)

Sora & heana!!

Been a while so I'm not sure about the relationship dynamics (nerd x troublemaker, etc.) but these are yuris set in school:

High-school setting:
https://www.mangago.zone/read-manga/relationship_guidelines/
https://www.mangago.zone/read-manga/after_school_ooshima_tomo_ooshima_towa/
https://www.mangago.zone/read-manga/shoujo_sect/
https://www.mangago.zone/read-manga/hanjuku_joshi/ (SEQUEL: https://www.mangago.zone/read-manga/motto_hanjuku_joshi/)
https://www.mangago.zone/read-manga/chotto_dake/
https://www.mangago.zone/read-manga/komada_san_wo_komarasetai/
https://www.mangago.zone/read-manga/convenient_semi_friend/
https://www.mangago.zone/read-manga/asagao_to_kase_san/ (SEQUEL: https://www.mangago.zone/read-manga/yamada_to_kase_san/)
https://www.mangago.zone/read-manga/desire_in_the_dark/ (one-shot)
https://www.mangago.zone/read-manga/maids_could_never_be_queens/ (one-shot)

College setting:
https://www.mangago.zone/read-manga/love_countdown/
https://www.mangago.zone/read-manga/lily_love/
https://www.mangago.zone/read-manga/anything_okay/
https://www.mangago.zone/read-manga/the_love_doctor/
https://www.mangago.zone/read-manga/hateful_lady/
https://www.mangago.zone/read-manga/dore_ga_koi_ka_ga_wakaranai/
https://www.mangago.zone/read-manga/pet_s_aesthetics/
https://www.mangago.zone/read-manga/goodnight_cinderella/
https://www.mangago.zone/read-manga/bad_thinking_diary/
https://www.mangago.zone/read-manga/fly_like_a_butterfly_sting_like_a_bee/
https://www.mangago.zone/read-manga/kill_switch/
https://www.mangago.zone/read-manga/tada_de_wa_dakaremasen/
https://www.mangago.zone/read-manga/asumi_chan_is_interested_in_lesbian_brothels/
https://www.mangago.zone/read-manga/45_seconds/
https://www.mangago.zone/read-manga/the_girlfriend_project/
https://www.mangago.zone/read-manga/my_first_some_some_oksoo_athrea_scans/
https://www.mangago.zone/read-manga/yamada_to_kase_san/ (PREQUEL: https://www.mangago.zone/read-manga/asagao_to_kase_san/)
https://www.mangago.zone/read-manga/my_girlfriend_is_a_gamer/
https://www.mangago.zone/read-manga/all_s_nice/ (dub-con)

High-school and college setting:
https://www.mangago.zone/read-manga/hate_me/
https://www.mangago.zone/read-manga/that_time_i_was_blackmailed_by_the_class_s_green_tea_bitch/

thank u yuri queen

tyyy it looks really good!!

https://www.mangago.zone/read-manga/i_love_amy/
https://www.mangago.zone/read-manga/blooming_sequence/
https://www.mangago.zone/read-manga/a_joyful_life/
https://www.mangago.zone/read-manga/soulmate_yuri/
https://www.mangago.zone/read-manga/her_mountain_her_ocean/
https://www.mangago.zone/read-manga/falling_blue_bbl_scans/
https://www.mangago.zone/read-manga/half/
https://www.mangago.zone/read-manga/the_girl_in_shoes_the_girl_in_sneakers/
https://www.mangago.zone/read-manga/strawberry_fields_wo_mou_ichido/
https://www.mangago.zone/read-manga/useless_princesses/
https://www.mangago.zone/read-manga/can_t_defy_the_lonely_girl/
https://www.mangago.zone/read-manga/i_want_to_do_bad_things_with_you/
https://www.mangago.zone/read-manga/opapagoto/
https://www.mangago.zone/read-manga/your_true_color/
https://www.mangago.zone/read-manga/even_the_introverted_gals_wanna_get_out_there/
https://www.mangago.zone/read-manga/futaribeya/
https://www.mangago.zone/read-manga/sankakkei_no_kowashi_kata/
https://www.mangago.zone/read-manga/odoriba_ni_sukaato_ga_naru/
https://www.mangago.zone/read-manga/ashita_mo_mata_yuusha_no_tonari/
https://www.mangago.zone/read-manga/amasaya/
https://www.mangago.zone/read-manga/watashi_no_yuri_wa_oshigoto_desu/
https://www.mangago.zone/read-manga/tokubetsu_na_chuutohanpa/
https://www.mangago.zone/read-manga/hokenshitsu_wa_futarikiri/
https://www.mangago.zone/read-manga/love_bullet_1/
https://www.mangago.zone/read-manga/cocoon_entwined/
https://www.mangago.zone/read-manga/she_is_still_cute_today/
https://www.mangago.zone/read-manga/you_are_my_destiny_1/
https://www.mangago.zone/read-manga/our_yuri_started_with_me_getting_rejected_in_a_dream/
https://www.mangago.zone/read-manga/level_one_dreamers/
https://www.mangago.zone/read-manga/dark_mermaid/
https://www.mangago.zone/read-manga/winter_before_spring/
https://www.mangago.zone/read-manga/the_moon_on_a_rainy_night/
https://www.mangago.zone/read-manga/tsubame_tip_off/
https://www.mangago.zone/read-manga/mietemasu_yo_aizawa_san/
https://www.mangago.zone/read-manga/haru_and_midori/
https://www.mangago.zone/read-manga/ano_koro_no_aoi_hoshi/
https://www.mangago.zone/read-manga/yuri_is_forbidden_for_yuri_ota/
https://www.mangago.zone/read-manga/pastel_love/
https://www.mangago.zone/read-manga/school_zone_ningiyau/
https://www.mangago.zone/read-manga/makoto_senpai_no_mae_de_wa_kakko_tsukerarenai/
https://www.mangago.zone/read-manga/liar_satsuki_can_see_death/
https://www.mangago.zone/read-manga/a_monster_wants_to_eat_me/
https://www.mangago.zone/read-manga/hana_ni_arashi_kovachi_luka/
https://www.mangago.zone/read-manga/kyuuketsuki_to_yobaretai/
https://www.mangago.zone/read-manga/kanojyo_to_himitsu_to_koimoyou/
https://www.mangago.zone/read-manga/the_sound_of_a_butterfly/

Have you read any of these? (≧∀≦)