ultimately, it is about Time Management.
If can focus on studies while participate actively in all these
fun stuff, why not?
I know of people who are both Captain/President of their CCA in
secondary three & four (until April/May; CCA pass out parade)
and top scorers in the N levels/O levels.
I also know of people who are also leaders of their CCA, and are
struggling in their studies. I also know of people who are ordinary
members of their CCA, and are top scorers in the N levels/O
levels.
......
....
Cut long story short, all I want to say is, ultimately, it's all
about how you use your time, manage priorities.
Being disciplined. Knowing when to do what. There's a time and
place for everything.