tertiary
College is considered post-secondary education.
the teenage years, teenagers, secondary-school-aged, pubescence or post-puberty,
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.
I have attended two post-secondary schools.
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
Yes, college is considered a form of post-secondary education.
office is like a post or a business
post, following
Yes it is. If a school is a college or university, it is a post secondary institution.