Classes begin at 8 am and end at 6 pm. According to the inquiry of senior high schools in Vietnam, official website, a senior high school in Vietnam, said that he went to school at 6: 30, started classes at 8: 00, dismissed at 12: 50 in the morning, dismissed at 14: 30 in the afternoon, and dismissed at 16: 15 or/kloc in the evening.