this is driving me mad i comb through 2-3 times a week and plat her long thick hair and put tea tree oil through, when i spoke to school they said although the know who has the bloody things they can not speak directly to parents all the can do is put out lettes each week and hope they get the hint . one friend who is dinner lady said you can literally see some kids heads alive with them. In the meantime we other parents keep on combing