20 15 the lowest score line of "ordinary high school" in the senior high school entrance examination in Fengxian district, Shanghai:

20 15 "zero-volunteer" minimum score line for the senior high school entrance examination in Fengxian District, Shanghai:

20 15 the lowest score line of "quota allocation" for the senior high school entrance examination in Fengxian district, Shanghai:

High school is short for high school. Middle schools in China are divided into junior middle schools and senior middle schools, which belong to the category of secondary education. High school is a higher education institution after the end of nine-year compulsory education in China, connecting junior high school and university, generally for three years. China's high school education refers to the high school education after junior high school, including ordinary high schools, vocational high schools, secondary specialized schools and technical schools, all of which belong to the category of secondary education.