1. Teaching quality: According to the inquiry of official website of Huangshan Education Bureau, the teaching team of No.4 Middle School is experienced, the teachers are conscientious, the classroom efficiency is high and the teaching content is detailed. Five middle schools and six middle schools are insufficient.

2. Teaching environment: No.4 Middle School adopts a closed management mode, which can not only ensure the life safety of students, but also ensure the food safety of students. No.5 Middle School and No.6 Middle School adopt the day-to-day study system, so food safety cannot be guaranteed.