Помогите перевести. Очень безотлагательно.You know that American children go to school

Помогите перевести. Очень безотлагательно.
You know that American children go to school for twelve years.
There are different schools in the USA: large and small, public and private, co-educational and for boys and for girls alone, schools in karge cities and in small towns.
When the children are 5 years old they go to kindergarten. After kindergarten they go to elementary school. They study there four years more. Most Americans finish hight school because it is free.
Public schools, one of the types of hight schools, are always big. There are about 15 hunder boys ang girls there. Most American public schools are co-educational which means that boys and girls study together. Most Americans go to public schools.
When the American children finish hight school they can go to college. A college is like a university. The difference is that a university has several college. The students study at college 4 years.
The school years always begins in September or October and ends in May or June. Many young people cannot go to college becouse it costs too much.
Some colleges have 3 hundred students or fewer, but some universities have twenty thousand students or more.