1, school year. As of September 5, 2023, Centroid Education was established on 20 15 with 8 years' experience, while Peijian Education was established on 20 17 with only 5 years' experience.

2. Teachers. By September 5, 2023, 90% of the teachers of Centroid Education graduated from Qingbei, and only 67% of the teachers of Peijian Education came from undergraduate courses.