Thirteenth grade

Year Thirteen is an educational year group in schools in many countries including Canada (some provinces), England, Wales, Northern Ireland, Australia and New Zealand. It is sometimes the thirteenth and final year of compulsory education, or alternatively a year of post-compulsory education.
==Canada==
Grade 13 is the last year of high school or secondary school (depends on where you live), it runs from age 18 to 19. It's only in British Columbia, New Brunswick, Nova Scotia, Newfoundland and Labrador, Northwest Territories, Yukon and Nunavut and is also brought back in Ontario. 
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