thirteenth grade

== English == === Noun === thirteenth grade (plural thirteenth grades) (US, education) The year in school that comes after twelfth grade in some schools in the US, and that came after twelfth grade before 1988 in Ontario, Canada. (US, education, derogatory, humorous) A reference to college as nothing more than a continuation of high school, since secondary education typically ends after the twelfth grade. ==== Synonyms ==== grade thirteen, grade 13, supersenior (Canada, Ontario, historical) ==== Coordinate terms ==== ==== Derived terms ==== thirteenth grader ==== Translations ====