Innisdale Secondary School is a public secondary school that is located in the south end of Barrie, Ontario, Canada.

The maple trees that line the street that is attached to the school's parking lot were planted by the original owners of the farm and have not changed (except for some removals due to safety concerns) since the school was built.

[2] Sports offered include: badminton, baseball, basketball, cross country running, curling, flag football, football, golf, hockey, mountain biking, basketball, rugby, skiing (alpine and Nordic), soccer, swimming, tennis, track and field, Capoeira dance arts, ultimate frisbee, and volleyball.

[4] Artistic extracurriculars offered include: dance team, yearbook, stage band, improv club and culinary club[4] Innisdale also has a co-operative education program for athletes training with the Mariposa School of Skating.

[5] Innisdale receives students from a large catchment area of south Barrie (Allandale), downtown Barrie and a portion of northern Innisfil.