| 2018 Class A CHAMPIONSHIP | ||||
| New York State Section II | ||||
| ROUND 1 | QUARTERFINAL | SEMI FINAL | FINAL | |
| February 21, 2018 | February 25, 2018 | February 28, 2018 | March 3, 2018 | |
| 1 Amsterdam (16-4) | ||||
| 92-65 | 1 Amsterdam (17-4) | |||
| @ Hudson Valley CC | ||||
| 8 Burnt Hills (3-17) | 6:00 PM | |||
| 81-86 | 9 Bishop Maginn (12-9) | |||
| @ Highest Seed | ||||
| 9 Bishop Maginn (11-9) | ||||
| 77-65 | 1 Amsterdam (18-4) | |||
| @ Cool Insuring Arena | ||||
| 7:00 PM | ||||
| 4 Queensbury (14-6) | ||||
| 56-68 | 5 Gloversville (15-6) | |||
| @ Hudson Valley CC | ||||
| 1:00 PM | ||||
| 5 Gloversville (14-6) | ||||
| 58-55 | 2 Mohonasen (14-9) | |||
| @ Cool Insuring Arena | Class A Champion | |||
| 4:00 PM | ||||
| 3 Lansingburgh (14-6) | ||||
| 46-36 | 3 Lansingburgh (15-6) | |||
| @ Hudson Valley CC | ||||
| 4:30 PM | ||||
| 6 Averill Park (6-14) | ||||
| 54-56 | 2 Mohonasen (13-9) | |||
| @ Cool Insuring Arena | ||||
| 5:30 PM | ||||
| 2 Mohonasen (11-9) | ||||
| 73-25 | 2 Mohonasen (12-9) | |||
| @ Hudson Valley CC | ||||
| 2:30 PM | ||||
| 7 Scotia-Glenville (9-11) | ||||