A
- Aahsaopi Elementary School
- Abbeydale School
- Abbott Elementary School
- A B Daley Community School
- Acadia Colony School
- Acadia School
- Acme School
- A.E. Bowers Elementary School
- A.E. Cross School
- Afton School
- A.H. Dakin School
- Airdrie Francophone School
- Airdrie Koinonia Christian School
- Akiva Academy
- Alberta Chung Wah School
- Alberta High School of Fine Arts
- Alberta School for the Deaf
- Albert Lacombe School and Sports Academy
- Alcoma School
- Alder Flats Elementary School
- Aldergrove School
- Alexander Ferguson School
- Alexander Forbes School
- Alexandra Middle School
- Alexis Elementary Junior Senior High School
- Alex Munro School
- A.L. Horton Elementary School
- Alix Colony School
- Alix (Mirror and Alix Central)
- Allan Johnstone School
- Allan Watson School
- Allenby Colony School
- Allendale School
- Altadore School
- Altario School
- Alternative High School
- Amisk Community School
- Amisk School
- Amiskwaciy Academy
- Andrew School
- Andrew Sibbald School
- Anne Fitzgerald Elementary School
- Annie Foote School
- Annie Gale School
- Annie L Gaetz Elementary School
- Annunciation Elementary School
- Anzac Community School
- Arbour Lake Middle School
- Archbishop Jordan High School
- Archbishop Joseph MacNeil School
- Archbishop MacDonald High School
- Archbishop O'Leary High School
- Archbishop Oscar Romero High School
- Ardmore School
- Ardrossan Junior Senior High School
- Armada Colony School
- Arrowwood Colony School
- Arrowwood Community School
- Art Smith Aviation Academy
- Ascension of Our Lord School
- Ashmont Elementary Community School
- Ashmont Secondary School
- Aspen Grove School
- Aspen Heights Elementary School
- Aspen Hill Montessori School
- Assumption Junior Senior High School
- Assumption Roman Catholic School
- Athabasca Colony School
- Athabasca Delta Community School
- Athlone School
- Aurora Charter School
- Aurora Elementary School
- Aurora Learning Foundation
- Austin O'Brien High School
- Autumn Leaf Colony School
- Avalon Junior High School
- Avondale School
- Avonmore School