Rock bottom In 10th class rn can I still score above 90%

15m and Idk where to start I'm at rock bottom in class 10th was never a good student, scored very low in class 9 my parents don't have high expectations from me and so far in 10th none of my copies are complete I'm very very short on attendance and I'm ashamed to say that I have 0%sst syllabus completed 0%english litrature completed, 0%hindi syllabus and I can't even read hind like literally I can't read hind. I passed Hindi in 9th by internals I have studied a few maths and science chapters but I suck at all of them as I didn't study properly so I'll say 0% at that too so I'm basically at rock bottom and I hate myself because it's all my fault and my parents are so nice and supportive and I hate disappointing them I can't let disappoint them again! Please help me, how do I study? Where do I start? And let's take you guys through my day. So I come home from school at 3:30 and on Mon, wed, thu I have boxing training for which I leave home at 5:30 and reach home by 8 if I skip gym or 8:30 if I do gym, and on Tuesday and Friday I have outdoor boxing training for which I leave home at 5:00 and reach back home by 7:30 but I don't go to school 5 days a week but I need to to cover up my missed attendance but still let's say 3-4days please help me!