According to official website of Xiaoshan Joy Sanjiang Primary School, the total construction area of Sanjiang Primary School is 446 18.07 square meters. There are 32 classes in the first phase, with the core culture of "meeting the three rivers to moisten everything" and the school-running concept of "meeting the best feelings and learning far away".

The school has a beautiful atmosphere, beautiful environment and complete education and teaching facilities. In addition to the spacious and bright standard classrooms, there are more than 20 classrooms dedicated to science, art and music, 1 microteaching, a large indoor gymnasium and a 300-meter circular track playground, a large canteen and a high proportion of parking spaces in the basement.