<p>Of course China (the PRC) now has the 4-2-1 phenomenon, due to the “one child” policy. Four grandparents and two parents may be too much for one person employed at a typical pay level to easily support (along with his/her own kid, if any). So that may increase the pressure on getting a high pay job, and if getting those means going to a high prestige university, which means scoring high on the gaokao…</p>