Adam Beck Community Centre | 79 Lawlor Ave | 416 392-0741 |
| Agincourt Collegiate Institute | 2621 Midland Ave | 416 338-3278 |
Agincourt Recreation Centre | 31 Glen Watford Dr | 416 396-4037 |
| Agnes Macphail JES | 112 Goldhawk Trail | 416 396-6015 |
| Albion Pool And Health Club | 1485 Albion Rd | 416 394-8676 |
| Alexmuir Junior Elementary School | 95 Alexmuir Blvd | 416 396-6025 |
| All Saints Secondary School | 1435 Royal York Riv | 416 394-5704 |
| Amesbury Community Centre | 1507 Lawrence Ave W | 416 395-0145 |
| Amesbury Sports Complex | 155 Culford Rd | 416 395-6655 |
| Ancaster Community Centre | 41 Ancaster Rd | 416 395-6057 |
| Annette Community Recreation Centre | 333 Annette St | 416 392-0736 |
| Anson Park Junior Elementary School | 30 MacDuff Cres | 416 396-6030 |
| Antibes Community Centre | 140 Antibes Dr | 416 395-0475 |
| Arbor Glen Public School | 55 Freshmeadow Dr | 416 395-2020 |
| Avondale Public School | 171 Avondale Ave | 416 395-3130 |