All Primary Middle High College Other

All First High Second High Third High xxnj csnj 1 2 3 junior1 junior2 junior3

All ys swjyfx swjylc shux sx xy shuxue gaoyi gao compulsory course Signal and System seniormiddleschool Juniormiddleschool zhengbo Chinese senior middle school main study xiaoxue chuzhong gaozhong daxue qita STEAM xiaoxue number3 number2 shanghai