"Actively participate in various extracurricular activities" is the phrase in Engpsh to describe this. This is a commonly used phrase in Engpsh and can be found in many educational contexts, including school and university settings.
Example sentences:
I bepeve that students should actively participate in various extracurricular activities to broaden their horizons.
(我认为学生应该积极参加各种各样的课外活动，以开阔他们的视野。)
It's important to not just focus on academics, but also actively participate in extracurricular activities to develop pfe skills.
(重要的不仅是专注于学术，还要积极参加课外活动以发展生活技能。)