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| 2019 Class 8-1A Regional Assignments |  
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| Sectional 1 @ Mazon-Verona-Kinsman Middle School
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| Host: Mazon-Verona-Kinsman Date: Wednesday, December 11, 2019
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| 
| Regional 1 | BRACKET |  
| Elwood GS Gardner   
 (Co-op)
 Grand Ridge
 Marseilles Milton Pope
 Mazon-Verona-Kinsman
 Ransom   
 (Co-op)
 Riverdale Patton
 Rockdale
 
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| Regional 2 | BRACKET |  
| LaSalle Trinity Catholic Mendota Holy Cross
 Oglesby Holy Family
 Ottawa Marquette
 Utica Waltham North
 
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| Sectional 2 @ Robert P. Anderson Gymnasium
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| Host: Williamsfield Date: Wednesday, December 11, 2019
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| 
| Regional 3 | BRACKET |  
| Annawan Galesburg Costa
 Monmouth ICS
 Woodhull AlWood
 
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| Regional 4 | BRACKET |  
| Cambridge JHS Galva
 Kewanee Visitation
 Williamsfield
 
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| Sectional 3 @ Next Generation Primary/Middle School
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| Host: Champaign Next Generation Date: Wednesday, December 11, 2019
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| 
| Regional 5 | BRACKET |  
| Buckley St. John's Cissna Park
 Crescent City   
 (Co-op)
 Donovan
 Grant Park
 Kankakee Grace Christian
 Piper City Tri-Point
 
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| Regional 6 | BRACKET |  
| Armstrong-Ellis   
 (Co-op) Champaign Holy Cross
 Champaign Next Generation
 Gifford
 Rantoul St. Malachy
 Rossville-Alvin
 Royal Prairieview Ogden
 Urbana University
 
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| Sectional 4 @ St. Mary's School
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| Host: Pontiac St. Mary's Date: Wednesday, December 11, 2019
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| 
| Regional 7 | BRACKET |  
| Bloomington Cornerstone Flanagan   
 (Co-op)
 Normal Calvary
 Normal Epiphany
 Odell   
 (Co-op)
 Pontiac St. Mary's   
 (Co-op)
 Roanoke-Benson
 
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| Regional 8 | BRACKET |  
| Lincoln Carroll Catholic   
 (Co-op) Lincoln West Lincoln-Broadwell
 Morton Blessed Sacrament
 Pekin Rankin
 Pekin St. Joseph
 South Pekin
 
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 | IESA Girls Basketball 2019 Class 8-1A Regional Assignments |  | 
| Sectional 5 @ Bartonville Grade School
 |  
| Host: Bartonville GS Date: Wednesday, December 11, 2019
 |  
| 
| Regional 9 | BRACKET |  
| Lowpoint-Washburn Peoria Heights St. Thomas
 Peoria Holy Family
 Peoria St. Jude   
 (Co-op)
 Peoria St. Mark
 Spring Bay Riverview
 Washington St. Patrick
 
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| Regional 10 | BRACKET |  
| Bartonville GS Bartonville Monroe
 Bartonville Oak Grove
 Peoria Hollis
 Peoria Limestone Walters
 Peoria Pleasant Hill
 Peoria Pleasant Valley
 
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| Sectional 6 @ Chrisman-Scottland Junior High
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| Host: Chrisman Scottland Date: Wednesday, December 11, 2019
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| 
| Regional 11 | BRACKET |  
| Bement Chrisman Scottland
 Homer Heritage
 Hume Shiloh
 Philo St. Thomas
 
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| Regional 12 | BRACKET |  
| Cisne Effingham Sacred Heart
 Martinsville
 Mattoon St. John's
 Oakland Lake Crest   
 (Co-op)
 Sigel St. Michael's
 
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| Sectional 7 @ Mt Pulaski Grade School
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| Host: Mt. Pulaski Date: Wednesday, December 11, 2019
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| 
| Regional 13 | BRACKET |  
| Cerro Gordo Decatur Christian
 Decatur Holy Family   
 (Co-op)
 Decatur Lutheran
 Decatur Our Lady of Lourdes
 DeLand-Weldon
 Mt. Pulaski
 
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| Regional 14 | BRACKET |  
| Mt. Olive Mulberry Grove JHS
 Pana Sacred Heart
 Pocahontas
 Raymond Lincolnwood
 Sorento
 
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| Sectional 8 @ A-C Central High School
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| Host: Ashland A-C Central Date: Wednesday, December 11, 2019
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| 
| Regional 15 | BRACKET |  
| Ashland A-C Central Augusta Southeastern
 Jacksonville Our Saviour
 Springfield Christ the King
 Springfield Christian
 Springfield Little Flower
 
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| Regional 16 | BRACKET |  
| Bluffs Brussels   
 (Co-op)
 Carrollton GS
 Carrollton St. John
 Griggsville-Perry
 Jerseyville St. Francis HG
 Pleasant Hill
 
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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 |