Students in the ride. 6. Ratings in History, Independent Schools, Average

The average grade score in each subject shows students’ average grades converted into points. The average grade score is calculated for students who have received grades (A-F). F=0; E=10; D=12.5; C=15; B=17.5 and A=20. It refers to independent schools in the municipality. Data is available according to gender breakdown.各科目平均得分（average grade score）反映了学生各科成绩经分值转换后的平均水平。该平均得分仅针对获得A至F等级评分的学生进行计算，等级与分值的对应换算关系为：F=0、E=10、D=12.5、C=15、B=17.5、A=20。本数据集的统计覆盖范围为直辖市内的独立学校，且支持按性别细分维度获取相关数据。