九龍城區 International School VS Local School

我哋剛剛係外國返嚟香港家姐已經3歲幾4歲
而細佬Issac就兩歲多小小
我哋住係九龍城區吖
考慮緊讀咩幼稚園先適合佢哋
去international school 好 定係local school好呢？？