This refers to an educational institution that prepares students specifically for entrance examinations, typically for universities or high schools. It emphasizes intensive study and exam strategies.

This meaning focuses on the concept of a school where students receive extra tutoring and instruction outside of regular school hours, often to improve their performance in various subjects.

This usage highlights the school’s function of preparing students in a short period, using concentrated study sessions to cover a lot of material quickly, often just before exams.