For the experimental classes in primary schools and middle schools, it is suitable for students with good grades and strong learning ability. For example, the experimental classes of some provincial key high schools will select students whose senior high school entrance examination scores rank among the top 400 in the city. These students usually have high academic level and learning motivation, and their goal is to hit a better university, such as 985 or 2 1 1 engineering university. In addition, the supplementary teaching materials in experimental classes are usually more difficult than ordinary teaching materials, which are suitable for the top 50% students to study independently, and the students with weak grades need parental guidance.

Experimental class usually refers to a class specially set up in the education system to explore and practice new teaching concepts, methods or technologies. These classes may be experimental fields for the reform of the credit system, experimental areas for the training mode of compound and applied talents, and important ways for schools to build brands with outstanding talents. Experimental classes can cover various types, such as teaching reform experimental classes, curriculum reform experimental classes, mathematics experimental classes, and extraordinary children experimental classes.