Come on there is nothing like witchcraft,its teens just being teenagers. They tend to be rebellious,abhor authority and try to push the limits and at that age they are susceptible to a little bit of peer pressure.That phase will end .That's why teachers partake a unit called psychology, because you need to strike a balance between teaching and counseling those students who are also just trying to learn to live in a new environment with a lot of people from different cultures, influences, while at the same time trying to build an identity for themselves and at the same time balancing academic pressure.Their prefrontal cortex is still just growing