Secondary schools in Clinton and Goderich were rated the top in Huron County, by the right-learning Fraser Institute.
Each year, the institute ranks high schools across Ontario based on nine academic indicators derived from standardized provincial reading, writing and math tests.
Only one secondary school received a perfect ten ranking: Havergal College, in Toronto.
In Huron County, Goderich District Collegiate Institute and St. Anne's Catholic Secondary (Clinton) received 6.1 rankings.
Those are followed by South Huron District High School (5.8), Central Huron Secondary School (5.0), and F.E. Madill (4.9).
In the Avon Maitland and Huron Perth Catholic District School Boards, Mitchell District High School ranked the highest, with a 7.7.