15:30, 15:40, 15:50。 According to Tianjin Local Access, the class hours of Tianjin Huaxing Primary School are 15: 30: 3 for the first and second grades, 15: 40: 5 for the fourth grade and 15: 50 for the sixth grade. There are custody classes after school, and you can participate voluntarily. Huaxing School in Hexi District, Tianjin is a nine-year private school jointly run by Xinhua Middle School and Huaning Middle School. It's a smart new school.