The term "school certificate" is correct and can be used in written English.
For example, "I am proud to present my school certificate, which proves I have graduated high school."
I completed my school certificate in Blantyre".
I failed my school certificate.
A birth certificate or school certificate can prove this.
Daniel's room had a school certificate tacked to the wall: "Daniel Beck — Being Considerate to Others".
In 1943, Hodson's higher school certificate results were good enough for a county scholarship.
In those day, to matriculate, you had to get six credits at school certificate level.
A job in a nearby city would have required a high-school certificate, but her education ended in middle school.
We assign individuals in the 'not elsewhere included' category to the post-school certificate category.14.14
The course is open to girls between 18 and 27 years old who have a secondary-school certificate.
In 2005, she completed her Higher School Certificate while a student at Queenwood School for Girls.
The five-year secondary school system was abandoned in favour of adding another year to the course, with major state-wide external examinations at the end of the tenth (School Certificate) and the twelfth (Higher School Certificate) years of schooling.
