My parents want me to be the top student in class, so they send me to all kinds of after-school classes at weekends.

我的父母想让我成为班里的尖子生，所以他们在周末送我去各种课外班。

youdao

When I was in second grade, she started an after-school class where she had kids analyze TV shows and commercials.

当我二年级的时候，她开设了教孩子们分析商业广告的课外课堂。

youdao

Only 18.8% of the class of 1982 had some kind of diploma four years after high school, versus 45% of the class of 1972.

相对于1972届学生中有45%在中学毕业4年后获得了某种文凭来说，1982届学生的这一比例只有18.8%。

《柯林斯英汉双解大词典》

Zuckerberg based his newly-public stance on personal experience with the middle-school entrepreneurship after-school class he started teaching earlier this year.

FORBES: Zuckerberg: Undocumented Immigrants 'Should Be Part Of Our Future'

He began offering an after-school guitar class to interested students and the program expanded.

FORBES: 12 Days of Charitable Giving: Little Kids Rock

He got the idea from the kids he was teaching at an after-school music class in one of the tougher neighborhoods of north Philadelphia.

NPR: DJ Diplo Melds Eclectic Sounds