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 | |
| Romeoville (Lewis U.) Super-Sectional | ||||||
| Regionals | Sectionals | Super-Sectional | State Qualifier | |||
| Chicago (Holy Trinity) | Chicago (Holy Trinity) 67-54 |
Chicago (Holy Trinity) 63-47 |
Niles (Northridge Prep) 31-29 |
Chicago (Hales Franciscan) 58-40 |
South Holland (Seton Academy) 69-52 |
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| Chicago (Latin) | Chicago (Latin) 50-47 |
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| Chicago (Best Practice) | ||||||
| Chicago (St. Benedict) | Chicago (St. Benedict) 44-35 |
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| Chicago (F.W. Parker) | ||||||
| Niles (Northridge Prep) | Niles (Northridge Prep) 54-25 |
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| Chicago (Ida Crown) | Chicago (Luther North) 68-57 |
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| Chicago (Luther North) | ||||||
| Chicago (Providence-St. Mel) | Chicago (Providence-St. Mel) 81-71 |
Chicago (Hales Franciscan) 77-67 |
Chicago (Hales Franciscan) 72-65 |
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| Chicago (ACT Charter) | Chicago (ACT Charter) 96-61 |
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| Chicago (Richards) | ||||||
| Chicago (Hales Franciscan) | Chicago (Hales Franciscan) 87-64 |
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| Chicago (Collins) | ||||||
| Elmhurst (Immaculate Conception) | Elmhurst (Immaculate Conception) 53-45 |
Melrose Park (Walther Lutheran) 66-47 |
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| Addison (Driscoll) | Addison (Driscoll) 62-60 |
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| Chicago (Douglass) | ||||||
| Melrose Park (Walther Lutheran) | Melrose Park (Walther Lutheran) 59-52 |
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| Elmhurst (Timothy Christian) | ||||||
| Watseka | Clifton (Central) 43-42 |
Paxton (P.-Buckley-Loda) 55-53 |
Westmont 46-44 |
South Holland (Seton Academy) 64-49 |
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| Clifton (Central) | Clifton (Central) 62-43 |
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| Hoopeston (H. Area) | ||||||
| Paxton (P.-Buckley-Loda) | Paxton (P.-Buckley-Loda) 41-38 |
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| Fairbury (Prairie Central) | ||||||
| Westmont | Westmont 57-42 |
Westmont 49-42 |
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| Chicago (St. Francis de Sales) | Chicago (St. Francis de Sales) 69-59 |
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| Chicago (CICS/Longwood) | ||||||
| Palos Heights (Chicago Christian) | Palos Heights (Chicago Christian) 62-41 |
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| Lisle (Sr.) | ||||||
| Herscher | Herscher 63-20 |
Herscher 44-42 |
South Holland (Seton Academy) 64-57 |
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| Coal City | Braidwood (Reed-Custer) 43-34 |
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| Braidwood (Reed-Custer) | ||||||
| Wilmington | Wilmington 47-42 |
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| Peotone | ||||||
| South Holland (Seton Academy) | South Holland (Seton Academy) 80-37 |
South Holland (Seton Academy) 70-37 |
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| Manteno | Manteno 47-26 |
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| Beecher | ||||||
| Momence | Momence 47-37 |
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| Kankakee (McNamara) | ||||||