Nine-color deer math classes are generally divided according to grades. If there are multiple classes in a grade, they will be divided according to the order of registration. Anyway, the teachers are all the same, and the time periods are separated.

Jiuse deer is a relatively large training school in Fuzhou. It has more than a dozen branches, mainly for primary and secondary school courses. It adopts the mode of small class teaching, which can better take care of every student.