1. Teaching quality: Zhongyuan Middle School ranks first in the teaching quality of Kaiping High School, and Cangjiang Middle School ranks second.
2. Facilities: Zhongyuan Middle School has more advanced teaching facilities and better teaching equipment, while Cangjiang Middle School has relatively poor facilities.
3. Faculty: Zhongyuan Middle School has a strong faculty, with more senior teachers and special-grade teachers, while Cangjiang Middle School has a relatively weak faculty.