BAmerican school students usually go to school on foot, or on the school bus. Some students ride their bikes to school. In the middle school, students usually take classes for six hours a day. They study English, math, history, science, PE, music and art. School begins at half past eight in the morning. At noon, students have lunch at school. After lunch, they go to their classes. School is over at about 4 o'clock. Most students often watch TV and do homework after supper. On weekends, American school students go to the church, do shopping, visit grandparents or go to the park with parents. American school children don't have too much homework. But they watch TV too much. Some even watch TV three to five hours a day. It's bad for health. So their parents worry about it. They play games, do sports or do reading with kids to take their kids away from TV.How long do American middle school students study at school?