中等教育包含了十年级到十二年级。

Secondary education comprised grades ten through twelve.

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该标准涉及英语语言艺术和数学两个学科领域，建立了从幼儿园到十二年级每年的相关标准。

The standards are in two subject areas, English-language arts and mathematics. They establish goals for each year from kindergarten through grade twelve.

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绿色学校设置了从托儿所到十年级多个层次的教育，计划将在2012年将范围扩大到十二年级。

Schooling is only available from nursery school through 10th grade, with plans to extend teaching for the remaining two years by 2012.

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I was smarter than the twelfth graders in ninth grade,

我九年级的时候就比十二年级的学生更聪明，

现在的孩子好可怕 - SpeakingMax英语口语达人