I was homeschooled for most of my life which meant I was basically left to do whatever while my parents worked etc. I had maybe 6th grade level math education by the time I was 16, but I worked really hard and got an A* on my math gcse (I moved to the US from pakistan around 7 months ago; I did my o levels there which is like 11th grade in the UK/UK based school systems)

Anyway, after giving my GCSEs last year on my own, I decided I wanted to major in math. However I was put into algebra II in my junior year when I moved to the USA. Now I'm really worried. I mean, Algebra II is easy - I don't really study or anything and I barely pay attention but I have an A and do well basically. (Sometimes when I don't understand I watch khan academy videos etc but I get most of it way better than 99% of the class.) I covered most of the stuff in Algebra II in my O level math except Algebra II takes it a little further. Anyway, I really want to major in math in anyway possible. How do I get into a good university for math without all those extra classes? I'm so sorry to bother everyone but math is all I want to do with my life and everyone is demotivating me due to lack of AP calc. I'm willing to work as hard as possible and give up all other aspects of my life for math and I don't have any friends or social responsibilities. As long as its possible I will do whatever it takes. It's all I want to be a mathematician.