Last updated at 7:43 a.m. on Sunday, March 15, 2009.
| Display: 64-Team State Final Bracket | |
| 1. DeKalb (NIU) Super-Sectional | |
| 2. Romeoville (Lewis U.) Super-Sectional | |
| 3. Carbondale (SIU) Super-Sectional | |
| 4. Macomb (WIU) Super-Sectional | |
| The Road to Peoria | ||||||
| Regional Finals | Sectionals | Super-Sectionals | State Final Tournament | State Champion | ||
| Princeton | Princeton 69-50 |
Princeton 61-34 |
Princeton 71-65 |
Winnebago 69-41 |
South Holland (Seton Academy) 83-58 |
South Holland (Seton Academy) 83-63 |
| Spring Valley (Hall) | ||||||
| Monmouth (M.-Roseville) | Monmouth (M.-Roseville) 58-46 |
|||||
| Sherrard | ||||||
| Peoria (Manual) | Peoria (Manual) 72-70 |
Peoria (Manual) 71-62 |
||||
| Peoria (P. Christian) | ||||||
| Seneca | Eureka 40-39 |
|||||
| Eureka | ||||||
| Rock Falls | Morrison 76-52 |
Winnebago 57-45 |
Winnebago 58-38 |
|||
| Morrison | ||||||
| Winnebago | Winnebago 35-30 |
|||||
| Byron | ||||||
| Elgin (St. Edward) | Elgin (St. Edward) 59-51 |
Rockford (Lutheran) 39-35 |
||||
| Aurora (A. Christian) | ||||||
| Rockford (Lutheran) | Rockford (Lutheran) 44-42 |
|||||
| Rockford (R. Christian) | ||||||
| Chicago (Holy Trinity) | Chicago (Holy Trinity) 63-47 |
Niles (Northridge Prep) 31-29 |
Chicago (Hales Franciscan) 58-40 |
South Holland (Seton Academy) 69-52 |
||
| Chicago (St. Benedict) | ||||||
| Niles (Northridge Prep) | Niles (Northridge Prep) 54-25 |
|||||
| Chicago (Luther North) | ||||||
| Chicago (Providence-St. Mel) | Chicago (Hales Franciscan) 77-67 |
Chicago (Hales Franciscan) 72-65 |
||||
| Chicago (Hales Franciscan) | ||||||
| Elmhurst (Immaculate Conception) | Melrose Park (Walther Lutheran) 66-47 |
|||||
| Melrose Park (Walther Lutheran) | ||||||
| Clifton (Central) | Paxton (P.-Buckley-Loda) 55-53 |
Westmont 46-44 |
South Holland (Seton Academy) 64-49 |
|||
| Paxton (P.-Buckley-Loda) | ||||||
| Westmont | Westmont 49-42 |
|||||
| Palos Heights (Chicago Christian) | ||||||
| Herscher | Herscher 44-42 |
South Holland (Seton Academy) 64-57 |
||||
| Wilmington | ||||||
| South Holland (Seton Academy) | South Holland (Seton Academy) 70-37 |
|||||
| Momence | ||||||
| Greenville | Greenville 65-57 |
Greenville 67-50 |
Breese (Central) 57-53 |
Metropolis (Massac County) 62-59 |
Metropolis (Massac County) 60-43 |
|
| Pana (H.S.) | ||||||
| Staunton | Staunton 40-36 |
|||||
| Piasa (Southwestern) | ||||||
| Nashville | Breese (Central) 60-55 |
Breese (Central) 50-26 |
||||
| Breese (Central) | ||||||
| Columbia | Columbia 44-40 |
|||||
| Edwardsville (Metro-East Lutheran) | ||||||
| Fairfield | McLeansboro (Hamilton County) 64-53 |
McLeansboro (Hamilton County) 67-60 |
Metropolis (Massac County) 60-49 |
|||
| McLeansboro (Hamilton County) | ||||||
| DuQuoin (H.S.) | DuQuoin (H.S.) 57-44 |
|||||
| Pinckneyville | ||||||
| Metropolis (Massac County) | Metropolis (Massac County) 69-66 |
Metropolis (Massac County) 66-50 |
||||
| Murphysboro | ||||||
| Herrin (H.S.) | Herrin (H.S.) 51-45 |
|||||
| Harrisburg | ||||||
| Williamsville | Decatur (St. Teresa) 68-56 |
Decatur (St. Teresa) 58-53 |
Stanford (Olympia) 68-58 |
Marshall 65-62 |
||
| Decatur (St. Teresa) | ||||||
| Macomb | Macomb 45-37 |
|||||
| Warsaw | ||||||
| Stanford (Olympia) | Stanford (Olympia) 70-69 |
Stanford (Olympia) 66-53 |
||||
| Bloomington (Central Catholic) | ||||||
| Pleasant Plains | Pleasant Plains 66-56 |
|||||
| Auburn | ||||||
| Marshall | Marshall 55-49 |
Marshall 79-70 |
Marshall 62-30 |
|||
| Teutopolis | ||||||
| Robinson | Robinson 68-48 |
|||||
| Olney (East Richland) | ||||||
| St. Joseph (S.J.-Ogden) | Paris 53-49 |
Paris 63-44 |
||||
| Paris | ||||||
| Tolono (Unity) | Tolono (Unity) 53-44 |
|||||
| Sullivan | ||||||