> Why do you feel the need to do so many extra-curricular activities related to child education?

Because this is Hong Kong, and if you want to get into a good high school, and then a good university later in life, this is what you do here, unless either A) your kid has really high IQ and would skip years or B) you are rich and don't mind just paying your way through international schools.

My kids are not case A), and I'm not rich enough for B).

Schools here ask you "what credentials do you have (other then regular education)?", "have you won any competition?", etc. I'm not even doing that much, compared to other really competitive families.