In 2011 according to the National Household Survey, of 5,060 adults (persons over 25 years of age) in the township, 53.8% had obtained some form of post-secondary education; 13.8% having a university degree, and an additional 27.4% having a college diploma, and 12.5% having a trades certificate. 27.1% of the township's adult population reported a high school diploma being the highest level of education attainment, and 19.3% reported having neither a high school nor a post-secondary diploma or degree. Within Edwardsburgh/Cardinal, the percentage of seniors (ages 65+) with post-secondary credentials was 42.4% and the percentage of seniors without any credentials was 40.3%. The percentage of adults (ages 25–44) with post-secondary credentials was about 20% higher, at 62.5%; the percentage of adults without post-secondary credentials was significantly lower than the percentage of seniors, with only 10.4% having not attained any certifications.