| 2023 CHSAA Class A Playoff Bracket | ||||
| ROUND 1 | QUARTERFINAL | SEMI FINAL | FINAL | |
| February 21, 2023 | February 25, 2023 | February 28, 2023 | March 3, 2023 | |
| 1 Nazareth (24-0) | ||||
| 93-55 | 1 Nazareth (25-0) | |||
| @ Molloy | ||||
| 9 All Hallows (4-20) | ||||
| 69-42 | 9 All Hallows (5-20) | |||
| @ Christ The King | ||||
| 8 Salesian (10-14) | ||||
| 61-45 | 1 Nazareth (26-0) | |||
| @ Xaverian | ||||
| 5 Xavier (15-9) | ||||
| 55-41 | 4 St. Joseph BTS (16-9) | |||
| @ Molloy | ||||
| 4 St. Joseph BTS (15-9) | ||||
| 50-46 | 3 Monsignor Farrell (20-6) | |||
| @ Fordham Prep | CHSAA A Champion | |||
| 3 Monsignor Farrell (17-6) | ||||
| 52-51 | 3 Monsignor Farrell (18-6) | |||
| @ Mount St. Micheal | ||||
| 11 Cardinal Spellman (5-18) | ||||
| 63-51 | 6 Fordham Prep (13-12) | |||
| @ Christ The King | ||||
| 6 Fordham Prep (12-12) | ||||
| 47-39 | 3 Monsignor Farrell (19-6) | |||
| @ Xaverian | ||||
| 7 McClancy (10-14) | ||||
| 43-40 | 10 LaSalle (6-17) | |||
| @ Christ The King | ||||
| 10 LaSalle (5-17) | ||||
| 64-37 | 2 St. Edmund (20-4) | |||
| @ Mount St. Micheal | ||||
| 2 St. Edmund (19-4) | ||||