| 2018 Class D CHAMPIONSHIP | |||||
| New York State Section III | |||||
| ROUND 1 | QUARTERFINAL | SEMI FINAL | FINAL | ||
| February 16, 2018 | February 20, 2018 | February 24, 2018 | March 4, 2018 | ||
| February 21, 2018 | |||||
| 1 Lyme (19-1) | |||||
| 64-36 | 1 Lyme (20-1) | ||||
| @ Highest Seed | |||||
| 16 Lafargeville (9-11) | |||||
| 57-54 | 1 Lyme (21-1) | ||||
| 8 New York Mills (13-6) | @ Highest Seed | ||||
| 58-65 | 9 Utica Academy of Science (10-7) | ||||
| @ Highest Seed | |||||
| 9 Utica Academy of Science (9-7) | |||||
| 57-65 | 4 McGraw (19-4) | ||||
| 5 Hamilton (16-4) | @ SRC Arena, Onondaga | ||||
| 11:00 AM | |||||
| 55-37 | 5 Hamilton (17-4) | ||||
| @ Highest Seed | |||||
| 12 Copenhagen (12-8) | |||||
| 56-63 | 4 McGraw (18-4) | ||||
| 4 McGraw (14-3) | @ Highest Seed | ||||
| 64-42 | 4 McGraw (15-3) | ||||
| @ Highest Seed | |||||
| 13 Cincinnatus (11-7) | |||||
| 54-53 | 4 McGraw (20-4) | ||||
| 3 Madison (17-3) | @ Carrier Dome | Class D Champion | |||
| 11:00 AM | |||||
| 66-40 | 3 Madison (18-3) | ||||
| @ Highest Seed | |||||
| 14 Faith Heritage (9-11) | |||||
| 59-43 | 3 Madison (19-3) | ||||
| 6 Old Forge (14-6) | @ Highest Seed 2/21 | ||||
| 47-65 | 11 Waterville (12-9) | ||||
| @ Highest Seed | |||||
| 11 Waterville (11-9) | |||||
| 86-46 | 3 Madison (20-3) | ||||
| 7 Sackets Harbor (14-6) | @ SRC Arena, Onondaga | ||||
| 12:45 PM | |||||
| 37-65 | 10 DeRuyter (14-7) | ||||
| @ Highest Seed | |||||
| 10 DeRuyter (13-7) | |||||
| 63-68 | 2 Oriskany (20-2) | ||||
| 2 Oriskany (18-2) | @ Highest Seed | ||||
| 77-41 | 2 Oriskany (19-2) | ||||
| @ Highest Seed | |||||