What does it mean to choose a school for the senior high school entrance examination?

School selection: the number of students below the score is calculated according to a certain proportion, and the first student among the students below the score. Need to pay a certain amount of money. \x0d\\x0d\ Three limits for choosing schools: limited number of students, limited scores and limited amount of money \x0d\ Limited number of students: a certain proportion of students can choose schools, not too many. \x0d\ Limit score: lower than the official admission score ~ within the specified score. \x0d\ Limited amount: There are uniform regulations on school selection fees, and it is not allowed to overcharge or undercharge.