Ontario has a large number of elementary and secondary schools that are accredited members of the International Baccalaureate network of world schools, including the following:
Ashbury College
Assumption College School
Bayview Secondary School
Branksome Hall
Brockville Collegiate Institute
Cameron Heights Collegiate Institute
Cardinal Carter Catholic High School
Catholic Central High School (London, Ontario)
Collège catholique Franco-Ouest
Le Collège français
Colonel By Secondary School
Craig Kielburger Secondary School
École secondaire Jeunes sans frontières
École secondaire publique Deslauriers
Elmwood School (Ottawa)
Erindale Secondary School
Father Michael McGivney Catholic Academy
Harold M. Brathwaite Secondary School
Holy Cross Catholic Academy
Kenner Collegiate Vocational Institute
Kingston Collegiate and Vocational Institute
Lo-Ellen Park Secondary School
Lycée Claudel d’Ottawa
Michael Power – St. Joseph High School
Milne Valley Middle School
Monarch Park Collegiate Institute
Notre Dame Catholic Secondary School (Brampton)
École secondaire Père-René-de-Galinée
Regiopolis-Notre Dame Catholic Secondary School
Robert Bateman High School
St. Francis Xavier Secondary School (Mississauga)
St. John Paul II Catholic Secondary School
St. John’s-Kilmarnock School
St. Mary Catholic Academy (Toronto)
St. Paul Secondary School
St. Robert Catholic High School
St. Thomas Aquinas Catholic Secondary School (Oakville)
Sir Wilfrid Laurier Collegiate Institute
Sir Winston Churchill Collegiate & Vocational Institute
Sunnybrook School (Toronto)
Toronto French School
Toronto Montessori Schools
Turner Fenton Secondary School
Upper Canada College
Vaughan Road Academy
Victoria Park Collegiate Institute
Westdale Secondary School
Weston Collegiate Institute
White Oaks Secondary School
York School (Toronto)
