英语中年级grade

问题描述:

英语中年级grade
有个 jk-8
jk什么意思
grade 是标题下面就有个jk-8jk-7
7-8应该就是7、8年级jk什么意思????????

junior kindergarten In Ontario there are two grades of kindergarten:junior kindergarten and senior kindergarten (referred to as JK and SK).In the United States kindergartens are usually part of the K-...