Definition of post-primary in US English:

post-primary

adjective

  • Of, designating, or relating to education subsequent to primary school; (of a pupil): receiving such education.

Origin

Early 20th century; earliest use found in Appendices Journals New Zealand House of Representatives. From post- + primary.

Pronunciation

post-primary

/ˌpəʊs(t)ˈprʌɪm(ə)ri/