Boys Basketball

Boys Basketball Undefeated Teams
Year Class Wins School
1930 B (Lt.) 26 Bloomington Franklin
1936 B (Lt.)   Morton JHS
1938 B (Lt.) 21 Morton JHS
1939 B (Lt.) 33 Normal Central
1941 B (Lt.) 26 Arthur
1944 B (Lt.)   Canton Ingersoll
1951 B (Lt.) 23 Monticello Washington
1953 Hvy. 22 Pekin Washington
1956 B (Lt.) 22 Paris Mayo
1958 B (Lt.) 16 Carmi
1959 A (Hvy.) 22 Mahomet-Seymour
1961 A (Hvy.) 24 Lincoln
1962 A (Hvy.) 22 Lincoln
1963 A (Hvy.) 22 Lincoln
1963 B (Lt.) 24 Rantoul Eater
1964 A (Hvy.) 23 Chillicothe
1965 A (Hvy.) 22 Normal Chiddix
1966 A (Hvy.) 23 Pittsfield Higbee
1966 B (Lt.) 25 Peoria Woodrow Wilson
1967 B (Lt.) 23 Pekin Edison
1968 A (Hvy.) 22 Rantoul Eater
1971 A (Hvy.) 24 Pekin Edison
1974 C (7th) 11 Kankakee King
1975 B (Lt.) 24 Pekin Edison
1975 C (7th) 13 Bartonville Monroe
1976 C (7th) 10 Kankakee King
1977 C (7th) 16 Peoria Trewyn
1978 A (Hvy.) 23 Stonington
1978 AA (Hvy.) 24 Joliet Washington
1978 B (Lt.) 11 Wheeler West
1979 A (Hvy.) 25 Griggsville
1979 B (Lt.) 22 Pekin Edison
1980 A (Hvy.) 26 Washington Central
1980 B (Lt.) 25 Mt. Pulaski
1980 C (7th) 21 Cahokia Wirth
1981 A (Hvy.) 25 Kincaid
1981 AA (Hvy.) 23 Cahokia Wirth
1981 B (Lt.) 21 Rantoul St. Malachy
1981 C (7th) 20 Dixmoor Rosa Parks
1982 A (Hvy.) 26 Washington Central
1985 8A 23 Chandlerville
1985 7AA 22 Dixmoor Rosa Parks
1987 8A 24 Griggsville
1987 8AA 24 Pekin Broadmoor
1988 7AA 23 Springfield Franklin
1988 8AA 27 Dixmoor Rosa Parks
1989 7A 23 Dieterich
1989 8AA 24 Pekin Broadmoor
1991 7AA 22 Springfield Washington
1991 8AA 22 Quincy
1992 8AA 23 Springfield Washington
1993 7A 24 Hartsburg-Emden
1993 8A 24 Toluca Fieldcrest West
1994 7AA 21 Pontiac
1995 8A 23 Nauvoo-Colusa
1997 7AA 18 Dixmoor Rosa Parks
1997 8AA 27 Pleasant Plains
1998 7AA 24 Pekin Edison
2000 8AA 25 Charleston
2001 7A 25 Mt. Pulaski
2001 8AA 26 Bloomington JHS
2002 7AA 24 Bloomington JHS
2003 7A 24 Monmouth ICS
2003 8AA 29 Harvey Brooks
2005 7AA 16 Cahokia Wirth
2005 8AA 27 Bloomington JHS
2006 7AA 27 Danville North Ridge
2007 7-3A 28 Wenona Fieldcrest
2007 8-1A 25 Catlin
2009 7-3A 23 Monmouth-Roseville JHS
2009 7-4A 27 Morton JHS
2010 8-3A 28 Casey-Westfield
2010 8-4A 27 Springfield Grant
2011 7-1A 24 Ottawa Marquette
2012 7-4A 21 Springfield Jefferson
2012 8-3A 10 Burr Ridge MS
2012 8-4A 26 Normal Kingsley
2013 8-1A 27 Oglesby Holy Family
2014 7-3A 23 Washington Central
2014 7-4A 26 Normal Parkside
2014 8-1A 28 Jacksonville Our Saviour
2016 7-4A 18 East St. Louis Lincoln
2016 8-1A 28 Pontiac St. Mary's
2017 8-1A 25 Peoria Limestone Walters
2019 7-1A 29 Griggsville-Perry
2019 7-4A 25 Markham Prairie-Hills
2020 7-4A 25 Quincy
2020 8-2A 26 Riverdale Washington
2022 7-2A 14 Decatur Robertson
2022 7-3A 20 Glenwood Brookwood
2022 8-2A 18 Decatur Robertson
2023 7-3A 28 Metamora GS
2023 7-4A 18 Bolingbrook Brooks
2023 8-2A 18 Decatur Robertson
2023 8-4A 24 Phoenix Coolidge

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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