The first is dadukou district No.1 Middle School in Chongqing, the second is dadukou district No.2 Middle School in Chongqing, and the third is Jiansheng Middle School in dadukou district, Chongqing. According to the ranking list of middle schools in dadukou district, the first is dadukou district No.1 Middle School in Chongqing, the second is dadukou district No.2 Middle School in Chongqing, and the third is Jiansheng Middle School in dadukou district, Chongqing. Chongqing dadukou district No.1 Middle School, with profound historical and cultural background, is a key middle school in Chongqing and the first batch of national "civilized campuses". Dadukou district No.2 Middle School in Chongqing is a key middle school in Chongqing and a "new curriculum experimental school" by the Ministry of Education. Jiansheng Middle School in dadukou district, Chongqing is a characteristic school in Chongqing. It has been rated as "Chongqing Model Middle School" for many times, and it is one of the key middle schools in Chongqing and the "New Curriculum Experimental School" of the Ministry of Education.