阅读短文，填词，完成句子。

    American schools begin in September after a long summer holiday. There are two terms (学期)in a school year: the first term is from September to January, and the second is from February to June. Most American children begin to go to school when they are five years old. Most students are seventeen or eighteen years old when they finish high school. After high school. Many students go to college(大学). They can go to a small or a large one. They usually have to give a lot of money. So many college students work after class to get the money for their studies.