2023 Boys Basketball

2023 Class 8-4A Regional Assignments
Registered Participants: 453   -   1A/2A/3A/4A Enrollment Split: 69/130/291   -   Determining Class Split
Regional Host   |   Co-op = Co-op Host   |   Coed = Coed Approved
Sectional 1
@ Guilford High School
Host: Rockford Eisenhower
Date: Monday, February 6, 2023
Regional 1
Algonquin Heineman   
Barrington Prairie   
Barrington Station   
Lake in the Hills Marlowe   
Lake Zurich North   
Lake Zurich South   
Regional 2
Rockford Eisenhower   
Rockford Flinn   
Rockford Kennedy   
Rockford Lincoln   
Rockford RESA   
Rockford West   
Sectional 2
@ Old Quarry Middle School
Host: Lemont Old Quarry
Date: Monday, February 6, 2023
Regional 3
Arlington Heights South   
Arlington Heights Thomas   
Bellwood Roosevelt   
Melrose Park Stevenson   
Vernon Hills Hawthorn North   
Vernon Hills Hawthorn South   
Regional 4
Cicero Unity   
Lemont Old Quarry   
Maywood Irving   
Summit Heritage   
Willowbrook Westview Hills   
Woodridge Jefferson   
Sectional 3
@ Romeoville Martinez
Host: Romeoville Martinez
Date: Monday, February 6, 2023
Regional 5
Calumet City Dolton 149   
Country Club Hills Southwood   
Harvey Brooks   
Homewood Hart   
Lansing Memorial   
Phoenix Coolidge   
Robbins Kellar   
Regional 6
Homer Glen Homer   
Lockport Oak Prairie   
New Lenox Liberty   
New Lenox Martino   
Romeoville Lukancic   
Romeoville Martinez   
Sectional 4
@ Michelle Obama School of Technology and the Arts
Host: Park Forest Michelle Obama STA
Date: Monday, February 6, 2023
Regional 7
Chicago Heights MS   
Flossmoor Parker   
Matteson Huth    (Co-op)
Park Forest Michelle Obama STA   
Sauk Village Rickover   
Steger Columbia   
University Park Crete Monee   
Regional 8
Bourbonnais UGC   
Bradley Central   
Frankfort Hickory Creek   
Frankfort Summit Hill   
Kankakee JHS   
Markham Prairie-Hills   
Matteson Colin Powell   

IESA Boys Basketball 2023 Class 8-4A Regional Assignments
Sectional 5
@ Brooks Middle School
Host: Bolingbrook Brooks
Date: Monday, February 6, 2023
Regional 9
Bolingbrook Brooks   
Bolingbrook Humphrey   
Bolingbrook Jane Addams   
Joliet Dirksen   
Joliet Gompers   
Joliet Hufford   
Joliet Washington   
Regional 10
Coal City   
Ottawa Shepherd   
Shorewood Troy   
Streator Northlawn   
Sectional 6
@ Dunlap Middle School
Host: Dunlap MS
Date: Monday, February 6, 2023
Regional 11
Bloomington Evans   
Bloomington JHS   
Morton JHS   
Normal Chiddix   
Normal Kingsley   
Normal Parkside   
Washington Central   
Regional 12
Canton Ingersoll   
Dunlap MS   
Dunlap Valley MS   
East Peoria Central   
Pekin Broadmoor   
Pekin Edison   
Sectional 7
@ Mahomet-Seymour JH
Host: Mahomet-Seymour
Date: Monday, February 6, 2023
Regional 13
Champaign Edison   
Champaign Franklin   
Champaign Jefferson   
Danville North Ridge   
Rantoul Eater   
Urbana MS   
Regional 14
Decatur Stephen Decatur   
Effingham JHS   
Mt. Zion   
Taylorville JHS   
Sectional 8
@ Glenwood Middle School
Host: Chatham Glenwood
Date: Monday, February 6, 2023
Regional 15
Chatham Glenwood   
Jacksonville MS   
Springfield Franklin   
Springfield Grant   
Springfield Jefferson   
Springfield Washington    (Co-op)
Regional 16
Bethalto Trimpe   
Cahokia Wirth   
East St. Louis Clark   
Edwardsville Liberty   
Edwardsville Lincoln   
Granite City Coolidge   
Jerseyville Community   

Class History

From 1930 to 1972, there were two classes of basketball, Class A (Heavyweight) and Class B (Lightweight). An additional class was added in 1973--Class C (7th Grade). The Heavyweight and Lightweight classes were based on age, height and weight. From 1977-1984, the Heavyweight class was divided into two classes based upon enrollment--(A & AA). From 1985-2006, the Association adopted the format of 7th and 8th grade play based upon a school's enrollment (7A, 7AA, 8A and 8AA). Starting in 2007, 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

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