Post secondary education is the educational level following the completion of a school providing a secondary education. This would include high school (secondary school). Thus, any degree in higher education following secondary school is considered post secondary, if not then it is not post secondary.
the teenage years, teenagers, secondary-school-aged, pubescence or post-puberty,
when you learn about post
In this case, post is a prefix, not a standalone word. Therefore, it should be properly hyphenated as post-secondary.
pole, post, spar
secondary, additional, extra, subsidary, supplementary
office is like a post or a business
post, following
yes, and Associates Degree (AA) is part of a post secondary education.
Yes it is. If a school is a college or university, it is a post secondary institution.
No the s in "secondary" does not need to be capitalized since Postsecondary is usually seen as one word.
secondary school, lyceum, lycee, Gymnasium, middle school