不过实际操作的时候似乎没人管这个小事，我认识数个人都是6月28日以后才换的地址，只要报名成功以后住满30个月就行了。似乎以前还有人贴过MOE的官方回复也是说在他自己报名前一天换都可以。

Even so, a child who gains priority admission into a school through his/her distance category is required to reside at the address used for registration for at least 30 months from the commencement of the Primary One Registration Exercise on 28 June 2018.