1965-66
Decatur Eisenhower 6-2
Springfield Griffin 5-2
Jacksonville 4-4
Springfield Lanphier 3-4
Decatur MacArthur 1-7
1966-67
Jacksonville 6-2
Springfield Griffin 5-2
Springfield Lanphier 3-4
Decatur Eisenhower 3-5
Decatur MacArthur 2-6
1967-68
Jacksonville 10-2
Springfield Lanphier 8-2
Decatur MacArthur 8-4
Springfield Griffin 5-5
Springfield SE 3-7
Decatur Eisenhower 3-9
Champaign Centennial 2-10
1968-69
Decatur Eisenhower 10-2
Springfield Lanphier 8-2
Champaign Centennial 8-4
Jacksonville 6-6
Decatur MacArthur 4-8
Springfield SE 3-7
Springfield Griffin 0-10
1969-70
Decatur Eisenhower 8-4
Jacksonville 8-4
Springfield SE 6-4
Champaign Centennial 7-5
Decatur MacArthur 6-6
Springfield Lanphier 4-6
Springfield Griffin 0-10
1970-71
Springfield SE 10-0
Springfield Lanphier 7-3
Decatur Eisenhower 7-5
Jacksonville 7-5
Champaign Centennial 4-8
Springfield Griffin 3-7
Decatur MacArthur 1-11
1971-72
Springfield SE 10-2
Decatur Eisenhower 9-5
Jacksonville 9-5
Champaign Centennial 7-7
Springfield Lanphier 6-6
Decatur MacArthur 6-8
Springfield Griffin 3-9
Normal 3-11
1972-73
Decatur Eisenhower 12-2
Champaign Centennial 11-3
Decatur MacArthur 7-7
Normal 7-7
Springfield Griffin 6-6
Jacksonville 5-9
Springfield Lanphier 3-9
Springfield SE 2-10
1973-74
Normal 11-3
Springfield SE 9-3
Springfield Lanphier 8-4
Decatur Eisenhower 9-5
Jacksonville 6-8
Champaign Centennial 5-9
Springfield Griffin 3-9
Decatur MacArthur 2-12
1974-75
Normal 13-1
Decatur Eisenhower 11-3
Springfield SE 9-3
Decatur MacArthur 5-9
Jacksonville 5-9
Champaign Centennial 4-10
Springfield Lanphier 3-9
Springfield Griffin 3-9
1975-76
Decatur Eisenhower 12-2
Normal 11-3
Jacksonville 9-5
Champaign Centennial 8-6
Springfield Lanphier 4-8
Springfield Griffin 3-9
Springfield SE 3-9
Decatur MacArthur 3-11
1976-77
Springfield Lanphier 13-1
Springfield SE 9-5
Decatur MacArthur 8-6
Springfield Griffin 8-6
Decatur Eisenhower 6-8
Champaign Centennial 5-9
Jacksonville 5-9
Normal 2-12
1977-78
Decatur MacArthur 13-1
Decatur Eisenhower 9-5
Normal 8-6
Springfield Lanphier 8-6
Springfield Griffin 7-7
Springfield SE 7-7
Jacksonville 3-11
Champaign Centennial 1-13
1978-79
Decatur MacArthur 12-2
Decatur Eisenhower 11-3
Springfield Griffin 8-6
Springfield SE 8-6
Champaign Centennial 6-8
Normal 6-8
Springfield Lanphier 5-9
Jacksonville 0-14
1979-80
Normal 13-1
Springfield SE 10-4
Champaign Centennial 7-7
Springfield Griffin 7-7
Decatur Eisenhower 6-8
Jacksonville 6-8
Decatur MacArthur 5-9
Springfield Lanphier 2-12
1980-81
Springfield Griffin 11-3
Springfield Lanphier 10-4
Decatur Eisenhower 8-6
Normal 8-6
Decatur MacArthur 7-7
Springfield SE 7-7
Jacksonville 3-11
Champaign Centennial 2-12
1981-82
Normal 10-4
Springfield Griffin 10-4
Springfield SE 10-4
Decatur Eisenhower 9-5
Springfield Lanphier 7-7
Champaign Centennial 5-9
Decatur MacArthur 3-11
Jacksonville 2-12
1982-83
Springfield Lanphier 13-1
Decatur MacArthur 12-2
Champaign Centennial 7-7
Normal 7-7
Springfield Griffin 7-7
Decatur Eisenhower 5-9
Jacksonville 5-9
Springfield SE 0-14