zhè / suǒ / wán / quán / xiǎo / xué / yí / gòng / yǒu / liù / gè / nián / jí / měi / gè / nián / jí / liǎng / gè / bān

这所完全小学一共有六个年级，每个年级两个班。

This full primary school has six grades, with two classes in each grade.