“Well i know I'm a teenager but things are just not going well rn idk which stream to choose and no matter how much i try some subjects just won't go inside my head . I've already disappointed everyone around me will a lot of problems and an academic comeback is all i could ask for now. For the sake of studying i left my friends and interests and nothing is still working. I'm just disappointing my parents and teachers and myself. At this point of my life i just feel so lonely and overacting all the time and i just want to disappear peacefully”
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Someone answered with kindness...
it sounds like pushing everyone away has worsen your mental health more. You should still do your hobbies, meet with your friends and study too. try to find a middle ground in both fun and studies, you can't push one away. I suggest creating a timetable for studies, find different studying methods and stick with what suits you. Even if you don't feel like studying atleast do even a little thing so you are building consistency.
All the best I know things are to hard right now, focus one thing at a time and your goals will come clear