finding it hard to settle at my new college

my name is Angel and i am 20 years old and i am autistic. i have moved to my new college last year and finding it hard to settle because i am starting to miss my old friends at my old school, I had to leave early for my bus because i was bullied and staff had to let me go for my early bus. i still try to go early but i finish at 4:00 pm, i get really annoyed when i get stopped leaving early because before home i get anxious and they are telling me you can get the next one if you miss it. once i was waiting for my bus and was late and nearly was having an anxiety attack but managed to control it because it arrived.