Secondary education
01
中等教育, 中学教育
the stage of schooling that follows primary education, typically involving more specialized subjects and serving students aged approximately 12 to 18
例子
In the United States, secondary education usually comprises grades 9 to 12, known as freshman, sophomore, junior, and senior years.
在美国，中等教育通常包括9到12年级，被称为新生、大二、大三和大四学年。
