Teachers' salaries can be used to measure the education level in different regions. In some remote rural areas, some teachers have little salary and no various subsidies, mainly because the finance does not have so much money to tilt towards education, so the salary of teachers is not so high.

In addition, the education level in this area can be measured by estimating the illiteracy rate in this area. For example, the illiteracy rate in these areas is almost zero, and people with high academic qualifications account for a large proportion, so the education level in these areas is very high.