Yes Official website of Cao Xian Education Bureau shows that all secondary schools in Cao Xian, including private secondary schools, have index students, and the number of students in each school needs to reach this index. Cao Xian No.3 Middle School is a public school under the jurisdiction of Cao Xian Education Bureau, and it also has a certain number of index students. Cao Xian No.3 Middle School, founded in 1956, is a key middle school in the city. It has the characteristics of profound cultural background, superior school conditions and scientific and standardized management. It is divided into two campuses, the headquarters and the west campus, which have sent a large number of outstanding talents to colleges and universities and trained tens of thousands of qualified builders with both ability and political integrity for the society.