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| 2019 Class 8-4A Regional Assignments |  
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| Sectional 1 @ Barrington Middle School - Station Campus
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| Host: Barrington Station Date: Wednesday, December 11, 2019
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| 
| Regional 1 | BRACKET |  
| Arlington Heights Thomas Barrington Prairie
 Barrington Station
 Plano
 Sandwich
 Woodridge Jefferson
 
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| Regional 2 | BRACKET |  
| Rockford Eisenhower Rockford Flinn
 Rockford Kennedy
 Rockford Lincoln
 Rockford RESA
 Rockford West
 
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| Sectional 2 @ James Hart School
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| Host: Homewood Hart Date: Wednesday, December 11, 2019
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| 
| Regional 3 | BRACKET |  
| Cicero Unity Harvey Brooks
 Markham Prairie-Hills
 Robbins Kellar
 Summit Heritage
 Willowbrook Westview Hills
 
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| Regional 4 | BRACKET |  
| Calumet City Dolton 149 Chicago Heights Washington
 Flossmoor Parker
 Homewood Hart
 Lansing Memorial
 Phoenix Coolidge
 Sauk Village Rickover
 Steger Columbia
 
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| Sectional 3 @ Bourbonnais Upper Grade Center
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| Host: Bourbonnais UGC Date: Wednesday, December 11, 2019
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| 
| Regional 5 | BRACKET |  
| Frankfort Hickory Creek Frankfort Summit Hill
 Homer Glen Homer
 Lemont Old Quarry
 Manhattan
 Mokena
 New Lenox Liberty
 New Lenox Martino
 
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| Regional 6 | BRACKET |  
| Bourbonnais UGC Kankakee JHS
 Manteno
 Matteson Colin Powell
 Matteson Huth   
 (Co-op)
 Park Forest Obama STA   
 (Co-op)
 University Park Crete Monee
 
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| Sectional 4 @ Brooks Middle School
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| Host: Bolingbrook Brooks Date: Wednesday, December 11, 2019
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| 
| Regional 7 | BRACKET |  
| Bolingbrook Brooks Bolingbrook Humphrey
 Bolingbrook Jane Addams
 Lockport Oak Prairie
 Romeoville Lukancic
 Romeoville Martinez
 Shorewood Troy
 
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| Regional 8 | BRACKET |  
| Channahon Coal City
 Joliet Dirksen
 Joliet Gompers
 Joliet Hufford
 Joliet Washington
 Minooka
 Ottawa Shepherd
 
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 | IESA Girls Basketball 2019 Class 8-4A Regional Assignments |  | 
| Sectional 5 @ Ingersoll Middle School
 |  
| Host: Canton Ingersoll Date: Wednesday, December 11, 2019
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| 
| Regional 9 | BRACKET |  
| Bloomington Evans Bloomington JHS
 East Peoria Central
 Morton JHS
 Normal Chiddix
 Normal Kingsley
 Normal Parkside
 
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| Regional 10 | BRACKET |  
| Canton Ingersoll Chillicothe   
 (Co-op)
 Dunlap MS
 Dunlap Valley MS
 Macomb
 Pekin Broadmoor
 Pekin Edison
 
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| Sectional 6 @ Mahomet-Seymour Junior High
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| Host: Mahomet-Seymour Date: Wednesday, December 11, 2019
 |  
| 
| Regional 11 | BRACKET |  
| Champaign Edison Champaign Jefferson
 Danville North Ridge
 Mahomet-Seymour
 Rantoul Eater
 Urbana MS
 
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| Regional 12 | BRACKET |  
| Champaign Franklin Charleston
 Decatur Stephen Decatur
 Effingham JHS
 Mattoon
 Mt. Zion
 
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| Sectional 7 @ North School Annex
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| Host: Taylorville JHS Date: Wednesday, December 11, 2019
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| 
| Regional 13 | BRACKET |  
| Rochester Springfield Jefferson
 Springfield Lincoln   
 (Co-op)
 Springfield Washington   
 (Co-op)
 Taylorville JHS
 
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| Regional 14 | BRACKET |  
| Chatham Glenwood Jacksonville MS
 Quincy
 Springfield Franklin
 Springfield Grant
 
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| Sectional 8 @ Trimpe Middle School
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| Host: Bethalto Trimpe Date: Wednesday, December 11, 2019
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| 
| Regional 15 | BRACKET |  
| Alton Bethalto Trimpe
 Edwardsville Liberty
 Edwardsville Lincoln
 Jerseyville Community
 
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| Regional 16 | BRACKET |  
| Cahokia Wirth East St. Louis Clark
 East St. Louis Lincoln
 Granite City Coolidge
 
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 Class HistoryThe IESA sanctioned girls basketball in 1979. There was one class of girls basketball until 1986 when the activity was split into 7th and 8th grade classes. From 1990-2005, the Association adopted the format of 7th and 8th grade play based upon a school's enrollment (7A, 7AA, 8A and 8AA). Starting in 2006, the Association adopted a four class system in each grade level (7-1A, 7-2A, 7-3A, 7-4A, 8-1A, 8-2A, 8-3A and 8-4A).  The current classification system assigns 25% of the schools to each of the four classes. How Class Split is Determined |