Programs begin in elementary school and continue through middle and high school.

VOA: special.2009.11.27

More and more high schools are introducing positive psychology class. ***** Elementary schools are introducing it.

越来越多的中学开始引入积极心理学*,小学也是。

哈佛公开课 - 幸福课课程节选

because in elementary school and junior high, you have such a variety of skill levels and effort levels.

因为在小学和初中，大家的水平和努力程度不同。

怎么协调意见冲突 - SpeakingMax英语口语达人

If you experience a lot of stress in high school and elementary school and were unhappy, generally the best predictor would say that you would feel the same way a month into your Harvard experience.

如果你在高中,初中时经历过很大压力而且不快乐，一般来说最好的预言家会说,在哈佛呆上一个月，你会有同样的感觉。

哈佛公开课 - 幸福课课程节选