(Number Indicates Final Week @NestoHoops Poll Ranking)
| IHSA STATE TOURNAMENT - CLASS 3A ~ 2023 | |||||
| Sectional: Semi-Final | Sectional: Final (3/3) | Super-Sectional (3/6) | Semi-Final (3/10) | Championship (3/11) | |
| De La Salle | Fenwick | ||||
| Fenwick | |||||
| De La Salle | St. Ignatius | ||||
| St. Ignatius | St. Ignatius | ||||
| Westinghouse | |||||
| Hoffman Estates (NOW Arena) | St. Ignatius | ||||
| 10 | Lake Forest | Lake Forest | |||
| Carmel | |||||
| Grayslake Central | Grayslake Central | ||||
| Grayslake Central | Grayslake Central | ||||
| St. Viator | |||||
| Simeon | |||||
| 4 | Hillcrest | Hillcrest | |||
| Thornton Fr. North | |||||
| Hillcrest | Hillcrest | ||||
| 13 | Lemont | Lemont | |||
| 5 | Marian Catholic | ||||
| Chicago (UIC Credit Union 1) | Simeon | ||||
| 2 | Simeon | Simeon | |||
| St. Laurence | |||||
| Glenbard Suth | Simeon | ||||
| 6 | Mount Carmel | Mount Carmel | |||
| 7 | Hyde Park | ||||
| UNIVERSITY OF ILLINOIS | METAMORA | ||||
| Crystal Lake South | Marmion | (State Farm Center) | IHSA Class 3A - 2023 | ||
| Marmion | |||||
| Burlington Central | Marmion | ||||
| 11 | Burlington Central | Burlington Central | |||
| Boylan | |||||
| Ottawa | Metamora | ||||
| Rock Island | Richwoods | ||||
| 12 | Richwoods | ||||
| Galesburg | Metamora | ||||
| 1 | Metamora | Metamora | |||
| 15 | Sterling | ||||
| Metamora | |||||
| 9 | East St. Louis | East St. Louis | |||
| Centralia | |||||
| Centralia | East St. Louis | ||||
| Mt. Vernon | Triad | ||||
| Triad | |||||
| Springfield (Bk of Springfield Ctr) | East St. Louis | ||||
| Mahomet-Seymour | MacArthur | ||||
| 8 | MacArthur | ||||
| MacArthur | Sacred Heart-Griffin | ||||
| 3 | Sacred Heart-Griffin | Sacred Heart-Griffin | St. Ignatius | ||
| Normal West | East St. Louis | East St. Louis | |||