What's the difference between 1 ratio 3 and Xi's one-on-one education?
1 to 3 is a teacher and three students. They have companions in the class. They can supervise and compete with each other, which can better stimulate students' enthusiasm for learning. 1 is a pair of teachers and students 1, and the teacher will make the content of each class according to the students' own situation. Both modes are beneficial to the improvement of students' learning.