For example, you were born in 1990.
From year, month and month to year, month, place and unit, you have studied or worked in any position.
1.2006/09 ~ 2009/06xx High School ...
2.2003/09 ~ 2006/06xx Junior High School ...
3. 1997/09 ~ 2003/06xx primary school ...
As for the position, fill it in if you have it, and don't fill it in if you don't have it, understand?
By the way, if you are a student, you should also fill in the recommendation letter, which is usually written by the class teacher.