How is Songling No.1 Middle School divided into classes?

Year, grade, number of classes. Songling No.1 Middle School is a middle school located in Wujiang District, Suzhou City, Jiangsu Province. Its predecessor was Wujiang Songling No.1 Middle School, which was founded in 1974. Classes in different classes are beneficial to teachers' targeted teaching. Everyone has different learning ability, different acceptance ability and different learning rhythm. Classes in different classes are beneficial to teachers' targeted teaching.