Juvy because of missing school?

ok last year i got put on probation for missing school and this year iv already missed 20 days of school 7 days because my grandpa died and like 5 because i was sick and i feel like im jsut gunna be sent to juvy witch i dont think should happen for somthing like this what should i do i dont hate school i just dont like the people at my school btw im in the 8th grade i feel like iv already ruined my life and wont be accepted into a college what should i do it realy hard for me to focous at school to and my vision is bad and i cant see the bord that soem other reasons why i dont go its really hard and boring for me at school