Such companies say their writers have advanced degrees, and will target the papers to any educational level.

VOA: special.2009.04.23

And class size is pretty small if you go up to, you know, advanced level classes.

班级挺小的，如果，你知道，你去上高级课程的话。

要考入大学 - SpeakingMax英语口语达人

Advanced Placement is a program of college-level classes and tests.

VOA: special.2010.12.30