It is a fully composite school community offering courses for students in grades 9 through 12, along with sports, clubs and special events.

Students within its attendance boundaries live in Tillsonburg, Otterville, Straffordville, Springford, Brownsville, and Courtland.

Its mascot is the Griffon and its colours are black, gold, white, and green.

The school underwent renovations in 2010 and saw the addition of a new west wing which consisted of a new gymnasium and greenhouse, along with new Science, History, Geography, Law, Horticulture, Dance and French classrooms.

[1] Glendale was founded in 1959 as a high school in Tillsonburg, Ontario.