More than 3800. Official website, Education Bureau of Sanyuan County, inquired that the newly integrated Dong Jiao Middle School in Sanyuan County covers an area of 152 mu. There are more than 3,800 students, 4 teaching buildings and 2 student apartment buildings, and there are 16 national first-class computer rooms, language labs, multimedia classrooms, electronic lesson preparation rooms and electronic reading rooms, and the library has more than 65,438+10,000 books.