Ontario has part-day kindergarten for four-year-olds, but school is not mandatory until Grade one.

安大略省有面向四岁儿童的半日制幼儿园，不过在小学一年级以前并不强制儿童入学。

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Ontario has part-day kindergarten for four-year-olds, but school is not mandatory until Grade one.

安大略省有面向四岁儿童的半日制幼儿园，不过在小学一年级以前并不强制儿童入学。

youdao