Alasee the bulling could be the key factor here, my daughter is going through this now and her behaviour has changed dramatically, it took us some time to put all the pieces together but as it turns out the culprits were once her so called be friends because my daughter did some thing that they don’t like they have given her hell at school and on the 30 min bus ride to get there, we confronted the school who just tried to cover their arses and suggested my daughter change schools, we confronted the parents and of coarse they claim its not their angel its my daughter