In my opinion, the amount of homework of the chinese primary school trains the students to be disciplined. There's a reason why there are more a students from chinese primary schools than malay ones (at least in my area). I'm from chinese primary school then went on to malay secondary school that teaches chinese also. I can say that the training from young is what taught me to be more hardworking than the average student.

To TS, I think you should check out the school above befire enrolling your son. Also ask my friends about the school's environment etc. Don't be afraid to try out the schools. I myself changed schools 2 times (not cos of homework load), and I'm doing fine. I have more friends (or acquaintances) than the average student.

ps: i'm from sjkc damansara. it's near kota damansara, pj. don't know how much it has changed, but when i was there it was good. no lazy teachers, good environment, small student community. but that was some 6 years ago:D

you might want to go during recess time or something, to see for yourself what the environment is like. I mean how the students behave and such. Just a tip..