The knowledge, skills and abilities as indicated below are acquired through the successful completion of a high school diploma or equivalent. (simplyhired.com)
In many countries, elementary school education certificate is earned after completion of high school. (en.wikipedia.org)
The successful completion of a high school education and proof of such (i.e. graduation certificate, transcript, post-secondary education certificate, diploma or degree) or an equivalent approved by the Registrar (nsrec.ns.ca)