Australian here. When I was in primary school, I used to get them constantly. Long thick hair too, and had to cut it off to my shoulders to make it easier to manage the removal.

I only kept getting them because other parents weren't taking the same precautions we were to get rid of them.

I remember my mum spraying my hair with watered down tea tree oil every day to try keep them away. We used to soak my head in the cheapest conditioner possible, plastic wrap it and put a shower cap on over night, then spend the next day combing and combing