could anyone possibly help me.. my son is on just 11 and in year 6 he has jsut started walking home alone he has instructions to call me when he leaves school and then again when he is hom... he didnt hit a tartget in scholl so was kept in by in teaher and not allowed to call me and tell me he explained he had to walk home alone but was ingored by the teacher he run home in panic as a neighbour was waiting.. is this allowed ??