The Eagles finished ahead of second-place Whitehall in the final conference standings. North Muskegon and Ravenna tied for third, followed by Montague, Hart, Shelby and Mason County Central.
North Muskegon won the league tournament with a victory over Whitehall in the finals on Wednesday.
Alexis Florez, Emily Jacoutot and Brandy Weaver scored for Oakridge while Sydney Hansen had the lone goal for Ravenna.
Camri Florez and Megan Larabee had assists for the Eagles.