A preparatory school (cram school) for examinees aiming to pass entrance exams for high school or university; offers test prep classes and mock exams.
高校生は大学受験のために受験予備校に通っている。
High school students attend cram schools to prepare for university entrance exams.
受験予備校の授業はペースが速いので復習が必要だ。
Cram school classes move quickly, so you need to review the material.
夏休みに受験予備校の集中講座を受けた。
I took an intensive cram school course during summer vacation.