2023 Boys Basketball

2023 Class 7-4A Regional Champions/Sectional Matchups
The winner of odd-numbered regionals will be the home team in sectional play.
Sectional 1
@ Flinn Middle School
Host: Rockford Flinn
Date: Monday, January 30, 2023
Barrington Prairie (18-2) vs. Rockford Flinn (17-1)
Barrington Prairie def. Algonquin Heineman , 51-34
Rockford Flinn def. Rockford Kennedy , 51-35
Sectional 2
@ Hawthorn Middle School South
Host: Vernon Hills Hawthorn South
Date: Monday, January 30, 2023
Arlington Heights Thomas (14-4) vs. Lemont Old Quarry (14-5)
Arlington Heights Thomas def. Arlington Heights South , 30-29
Lemont Old Quarry def. Woodridge Jefferson , 29-16
Sectional 3
@ Lukancic Middle School
Host: Romeoville Lukancic
Date: Monday, January 30, 2023
Phoenix Coolidge (17-0) vs. Homer Glen Homer (15-8)
Phoenix Coolidge def. Calumet City Dolton 149 , 47-17
Homer Glen Homer def. New Lenox Liberty , 38-28
Sectional 4
@ Michelle Obama School of Technology and the Arts
Host: Park Forest Michelle Obama STA
Date: Monday, January 30, 2023
Park Forest Michelle Obama STA (17-5) vs. Markham Prairie-Hills (14-0)
Park Forest Michelle Obama STA def. Flossmoor Parker , 39-33
Markham Prairie-Hills def. Frankfort Summit Hill , 62-24
Sectional 5
@ Humphrey Middle School
Host: Bolingbrook Humphrey
Date: Monday, January 30, 2023
Bolingbrook Jane Addams (18-0) vs. Yorkville (23-1)
Bolingbrook Jane Addams def. Joliet Dirksen , 55-28
Yorkville def. Minooka , 60-40
Sectional 6
@ Macomb Jr/Sr High School
Host: Macomb
Date: Monday, January 30, 2023
Morton JHS (21-3) vs. Dunlap Valley MS (22-3)
Morton JHS def. Bloomington JHS , 19-18
Dunlap Valley MS def. Pekin Broadmoor , 41-22
Sectional 7
@ Mahomet-Seymour JH
Host: Mahomet-Seymour
Date: Monday, January 30, 2023
Mahomet-Seymour (24-2) vs. Rochester (25-0)
Mahomet-Seymour def. Danville North Ridge , 49-31
Rochester def. Mt. Zion , 46-10
Sectional 8
@ Glenwood Middle School
Host: Chatham Glenwood
Date: Wednesday, February 1, 2023
Chatham Glenwood (23-2) vs. East St. Louis Clark (22-2)
Chatham Glenwood def. Jacksonville MS , 49-41
East St. Louis Clark def. Edwardsville Liberty , 52-45

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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