That's a common situation in Chinese high school. I'd say most Chinese high school are equally competitive. I am in a not so high-ranked school in Shanxi. And I literally have less than 1 day of rest each week. Each day it's from 6am to 9pm. Early self-study, day lecture, and night self-study, all in classroom...
How much are you learning and more importantly, are you retaining this information? What subjects / topics are you studying?
The reason that I ask, is that I work in IT. If you spent this amount of time devoted to learning a programming language, web design, etc... you would be in an excellent position to work remotely for a company like mine. If you spend 6-9 learning everything under the sun, I think it is kind of a waste.
I noticed literally no difference between my Canadian students and Chinese/Korean students as a TA at a top university here, other than the international students being more likely to plagiarize/copy work. Also, the international students were way more likely to be smokers - not sure if that's a cultural thing, or if it's caused by being stressed the fuck out because of the ridiculous education system there.
Also, depending on how "top" your university, it may have been easier for these students to get into your university than the top universities in China (e.g. they have lower test scores than their peers at the top unis in China).
NCEE is an exam, which means you get one shot, offline, off books.
Now imagine you need to write a website, with pen and paper, without internet or reference books.
[1]: https://en.wikipedia.org/wiki/National_Higher_Education_Entr...