Summer holiday in Vietnam After about 10 months for a school year, teachers and students are going on a summer holiday. It is very hot in the North. Some students still go to school because no one takes care of them. They are unlucky. Other children come back their hometowns to visit their grandparents. They often stay at their grandparents' houses about one month. Then they could attend the summer class at school or at educational center. Parents also encourage their children to learn swimming, dancing, playing organ...