Bullying goes unnoticed

When I was in school, It didn't get this bad for me. I got the name calling and people telling other people not to ever talk to me and the whole pointing and ended up spending a whole school year with no friends, but I never understood why and I still don't know why they were like this. I faked being ill not to go into school and cried myself to sleep. But I don't think the teachers really noticed. Its an awful problem and I've never understood why people are like this and the efects it can have on people.
I got teased for not having striaght hair and being fairly quiet, So that made my the odd girl out throughout primary and secondary school! It took 3 years after leaving sceondary school to regain a good confidence, But I'm still left with self doubt and trust issues!
So the sad thing is that nothing is really done about this because this type of bullying is so subtle and support systems need to be brought into schools and students should be taught that being different is great, because isn't everyone different in some way.