How many grades are there in the primary school affiliated to Haikou Renmin University?

The Primary School Affiliated to Renmin University of China currently has grades one to nine

Haikou Experimental School, the High School Affiliated to Renmin University of China (hereinafter referred to as "Haikou Experimental School, the High School Affiliated to Renmin University of China") will conduct independent and open recruitment nationwide in the spring of 2021. There are 43 people in technical posts. It is reported that the employed persons are officially staff members of public institutions and enjoy the salary benefits related to the introduction of cooperative schools in Haikou City. Those who meet the conditions for the introduction of talents will enjoy corresponding benefits in accordance with relevant policies. The school is equipped with a canteen, provides dormitories for teachers, and provides turnover housing for those with outstanding conditions.