She's involved in many extra-curricular activities.

她参加了许多课外活动。

《牛津词典》

One other benefit of extra curricular activities is the friendship that comes with them.

课外活动的另一个好处是可以收获友谊。

youdao

Participating in extra-curricular activities enables us to learn to negotiate and cooperate with fellow students.

参加课外活动可以让我们学习如何与同学进行协商与合作。

youdao

and they asked about my work ethic and my extra-curricular activities I did.

然后他们问我的职业道德怎么样，还有我参加过的课外活动。

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They include transport concerns over buses shared with primary schools and fears for extra-curricular activities.

BBC: Scottish Borders Council school timetable moves on hold

Others used it for books and computers or for trips and extra-curricular activities for the poorest pupils.

BBC: Pupils in playground

And I only seriously involved myself in extra-curricular activities my senior year for the sole purpose of bolstering my applications.

FORBES: Suzy Lee Weiss and the Age of Entitlement