preparatory school

US /prɪˈpær.ə.tɔːr.i skuːl/
UK /prɪˈpær.ə.tɔːr.i skuːl/
"preparatory school" picture
1.

a private school for children aged 7 to 13, preparing them for public school

:
He attended a prestigious preparatory school before going to Eton.
Many children from wealthy families attend preparatory schools.
2.

a school that prepares students for higher education, especially for college or university

:
She plans to attend a preparatory school to improve her chances of getting into an Ivy League university.
The curriculum at this preparatory school is very rigorous.