“升学率”该怎么说?

promotion rate

the percentage of students that are able to move on to a higher level

rate of entering university

admission rate 录取率
enrollment rate是说录取之后，正式入学的比例吧。

enrollment rate
enrollment 是入学，注册的意思，rate是比率的意思。美国人都是这样表达的

Percentage of Graduates Entering Higher Level Schools