One. According to the query displayed by the necessary network of college students. As of September 7, 2023, there is only one university in Longnan, namely Longnan Teachers College, so Longnan Teachers College ranks first among the universities in Longnan. The school is located at No.34 Longnan Road, Hedong District, Chengxian County, Gansu Province. It is a public full-time normal college approved by the Ministry of Education.