Later, four provincial demonstration high schools were added as members. There are Dangtu No.1 Middle School, jieshou city No.1 Middle School, Taihe No.1 Middle School and Chaohu No.1 Middle School.

Jiangnan Ten Schools Friendship Association was founded in 1988, initiated by Jiangnan 10 key middle school in Anhui Province. Every year, the fraternity organizes a senior three entrance examination three months before the college entrance examination, and holds an annual meeting according to the situation of the entrance examination to analyze and predict the situation of the college entrance examination that year, so as to achieve the purpose of mutual exchange, friendship and development. The printing of entrance examination papers and the preparation for the annual meeting are undertaken by ten schools in turn. The governing schools of Jiangnan Ten Schools Association have developed from 10 at the beginning of the establishment of10 to 14, and more than 200 schools have participated in the joint entrance examination, providing an excellent platform for exchanges and cooperation between ordinary high schools in our province.

The "Ten Schools in the South of the Yangtze River" joint examination is hosted by one school every year, and it takes turns to make and distribute papers, and convene examination result analysis meetings of other member schools to review countermeasures at the last moment of the college entrance examination sprint.

Before 2002, it was April 7th and 8th every year, and from 2003 to 20 1 1 it was March 7th and 8th every year. 20 12 is March 10, 1 1. 20 13 is March 7th and 8th.