I think you'd agree with me that GAC students in China are certainly not scholarship material sought after by Western universities. Such students tend to be rich and spoiled by their parents. They did not do well at senior middle school, and often have an entitlement mentality, just like their parents. Many are lazy too.
GAC in China is a big [edited]. It is used and abused by private school directors looking to milk the uninformed and unscrupulous rich, whose offspring are expected to and will pass by fair means or foul. Avoid becoming a GAC facilitator, and so part of the [edited]. The high psy isn't worth selling your soul for. And your former students won't get top marks abroad - they're not the creme de la creme! Most scholarship talent in China can't and needn't afford the high cost of GAC. That's a fact!