| 5/18 | | 1A Collins Academy Sectional (Boys) | Chicago, IL | |
| 5/18 | | 1A Fairfield Sectional (Boys) | Fairfield, IL | |
| 5/18 | | 1A Rushville Sectional (Boys) | Rushville, IL | |
| 5/18 | | 2A Champaign Central Sectional (Boys) | Champaign, IL | |
| 5/18 | | 2A North Lawndale Sectional (Boys) | Chicago, IL | |
| 5/19 | | 1A Central A &M Sectional (Boys) | Moweaqua, IL | |
| 5/19 | | 1A Gillespie Sectional (Boys) | Gillespie, IL | |
| 5/19 | | 1A Nashville Sectional (Boys) | Nashville, IL | |
| 5/19 | | 1A Newton Sectional (Boys) | Newton, IL | |
| 5/19 | | 2A Dunlap Sectional (Boys) | Dunlap, IL | |
| 5/19 |  | 2A St. Rita Sectional (Boys) | Chicago, IL | |
| 5/19 | | 2A Thornridge Sectional (Boys) | Dolton, IL | |
| 5/19 | | 3A Lake Zurich Sectional (Boys) | Lake Zurich, IL | |
| 5/19 | | 3A Loyola Academy Sectional (Boys) | Wilmette, IL | |
| 5/19 | | 3A Neuqua Valley Sectional (Boys) | Naperville, IL | |
| 5/19 | | 3A Whitney Young Sectional (Boys) | River Forest, IL | |
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| 5/20 | | 1A Bureau Valley Sectional (Boys) | Manilus, IL | |
| 5/20 | | 1A Knoxville Sectional (Boys) | Knoxville, IL | |
| 5/20 | | 1A Lewistown Sectional (Boys) | Lewistown, IL | |
| 5/20 | | 1A Oregon Sectional (Boys) | Oregon, IL | |
| 5/20 | | 1A Paxton-Buckley-Loda Sectional (Boys) | Paxton, IL | |
| 5/20 | | 1A Seneca Sectional (Boys) | Seneca, IL | |
| 5/20 | | 1A St Joseph-Ogden Sectional (Boys) | St. Joseph, IL | |
| 5/20 |  | 2A Carterville Sectional (Boys) | Carterville, IL | |
| 5/20 |  | 2A Galena Sectional (Boys) | Galena, IL | |
| 5/20 |  | 2A Glenbard South Sectional (Boys) | Glen Ellyn, IL | |
| 5/20 |  | 2A Mendota Sectional (Boys) | Mendota, IL | |
| 5/20 |  | 2A Springfield Lanphier Sectional (Boys) | Springfield, IL | |
| 5/20 |  | 2A Vernon Hills Sectional (Boys) | Vernon Hills, IL | |
| 5/20 |  | 3A Collinsville Sectional (Boys) | Collinsville, IL | |
| 5/20 |  | 3A DeKalb Sectional (Boys) | Dekalb, IL | |
| 5/20 |  | 3A Downers Grove North Sectional (Boys) | Downers Grove, IL | |
| 5/20 |  | 3A Metea Valley Sectional (Boys) | Aurora, IL | |
| 5/20 |  | 3A Morton Sectional (Boys) | Cicero, IL |
