The pioneer batches could be chinese (poor chinese), but I don't
see anything chinese in ACS now.
The students despise cheena culture too. Or else why their chinese
result always so sucky?
The stereotype is set - you associate ACS with ang moh culture
while Chinese High (now HCI) is cheena culture. But despite having
a rich cheena tradition, their english results also good. 
If you say ACS people can be very receptive to that kind of
culture, I agree. They just despise cheena culture, so they
identify more with western culture. Not to say HCI and AHS people
not aligned with western values (most youths are), but at least
they still retain some of their chinese roots.
Western values are drugs and booze. It was the ang mohs who
introduced drugs on a mass scale to China, from India.
Furthermore .. all your concoctions from Absolut Vodka to Tequila,
those "bar" drinks, have their origins from the western
world.
I suspect even "China Black" is ang moh place, despite the cheena
sounding name.