Please help cigarette on school campus?

ok this is wat happend, see me nd my friend needed a smoke at skool, so we decided to smoke a little bit of black in mild, so we put it in a wrap, i lit my friend, nd he took a hit, wen he handed it to me , me about to take a hit, the isant princibal saw us, i dropped the cig, nd my friend went to pick it up, nd i kept running, he got caught nd tooken to the office, the principal told him he will be back, nd told him not to move, nd my friend a big dummy, ran out of the office, while i was in the gym, i was scared,, i mean am really scared of going to skool tommorow, do u think they are going to check the cameras? Give me advice PLEASE am so serious!!!!!!please dont tell me am stupid, i already know i am, i just need help and advice!!!!!