The invention discloses a class chair for students, which comprises a chair back, a cushion is fixedly connected to the top of the right side of the chair back, a chair surface is fixedly connected to the bottom of the chair back, and a second chair surface is fixedly connected to the bottom of the chair surface. A column, the tops of both sides of the first column are provided with buckles, the outside of the buckle is fixedly connected with a first fixed column, and the outer side of the first fixed column is movably connected with a cantilever beam through a movable shaft, so The top of the inner side of the cantilever beam is movably connected with a movable column through a movable shaft. In the present invention, the first column, the second column, the slider, the controller, the protective box, the pull rod, the collar, the concave shaft, the driven wheel, the belt, the driving wheel, the motor, the motor box, the buckle, the cantilever beam, and the spring , column hole, first fixed column, movable column, chute, second fixed column and anti-slip pad, so that the chair can be raised and lowered, ensuring the learning efficiency of students, and suitable for popularization and use.