Class AA operated according to a “sectional complex” format, where seeding was done on a section-wide basis and games were played at the site of the higher seed through the quarterfinals. This page details the scores through the quarterfinals for each sectional complex.
Aurora Sectional
Glenbard East 54-46 Glenbard West
Batavia 76-51 Glenbard East
Downers Grove North 53-49 West Chicago
Naperville North 78-50 Geneva
Aurora West 57-54 Glenbard South
Aurora East 75-41 Marmion
Benet 60-57 Wheaton North
Downers Grove South 66-42 IMSA
Naperville Central 65-50 Wheaton Central
Batavia 76-62 Downers Grove North
Naperville North 58-54 Aurora West (OT)
Aurora East 65-50 Benet
Downers Grove South 58-56 Naperville Central
Collinsville Sectional
Jacksonville 67-43 Chatham Glenwood
East St. Louis 88-82 Alton
ESL Lincoln 88-52 East Alton-WR
Belleville West 45-35 Belleville East
Collinsville 87-37 Roxana
Edwardsville 84-53 Civic Memorial
Granite City 82-57 Taylorville
Jerseyville 78-68 Cahokia
Jacksonville 70-61 East St. Louis
ESL Lincoln 62-56 Belleville East
Collinsville 79-63 Edwardsville
Granite City 60-54 Jerseyville
Decatur Sectional
Decatur MacArthur 65-64 Stephen Decatur
Bloomington 90-53 Decatur MacArthur
Olympia 71-63 Rantoul
Lincoln 62-50 Sacred Heart-Griffin
Champaign Centennial 72-56 Decatur Eisenhower
Danville 69-67 Urbana (OT)
Champaign Central 56-40 Mount Zion
Springfield 74-54 Springfield SE
Normal 40-37 Springfield Lanphier
Bloomington 72-36 Olympia
Lincoln 74-50 Champaign Centennial
Danville 72-62 Champaign Central
Springfield 67-50 Normal
Elgin Sectional
McHenry 62-55 Streamwood
Larkin 84-50 McHenry
Rockford Jefferson 116-83 Crystal Lake Central
Rockford Guilford 58-52 Belvidere
Crystal Lake South 58-44 Cary-Grove
Hononegah 84-52 Harlem
Sycamore 72-52 Johnsburg
Jacobs 63-57 Dundee-Crown
Elgin 73-68 Woodstock
Larkin 92-60 Rockford Jefferson
Rockford Guilford 60-52 Crystal Lake South
Hononegah 98-76 Sycamore
Elgin 55-46 Jacobs
Elmhurst Sectional
Proviso East 78-35 Morton
York 46-44 St. Rita
Proviso West 85-44 Argo
St. Ignatius 62-60 De La Salle (OT)
St. Joseph 67-26 Riverside-Brookfield
Lyons Twp. 51-48 Fenwick
Oak Park-RF 66-45 Willowbrook
Nazareth 82-50 St. Patrick
Proviso East 79-48 York
St. Ignatius 64-63 Proviso West
St. Joseph 60-56 Lyons Twp.
Oak Park-RF 66-46 Nazareth
Franklin Park Sectional
Weber 72-51 Holy Cross
Maine West 63-62 Maine South
Loyola 73-34 Niles West
Niles ND 76-63 Glenbrook South
Glenbrook North 92-49 Maine East
Evanston 63-34 Leyden
New Trier 90-55 Niles North
Gordon Tech 67-62 St. Viator
Weber 75-51 Maine West
Niles ND 70-50 Loyola
Glenbrook South 58-56 Evanston
New Trier 70-67 Gordon Tech
Hinsdale Sectional
Rich Central 91-59 Hinsdale Central
Hinsdale South 70-62 Stagg
Shepard 53-49 Rich East
Crete-Monee 64-58 Bloom
Bloom Trail 63-46 Oak Forest
Homewood-Flossmoor 59-56 Bremen
Hillcrest 53-40 Tinley Park
Andrew 64-52 Rich South
Rich Central 83-77 Hinsdale South
Shepard 59-48 Crete-Monee
Homewood-Flossmoor 40-30 Bloom Trail
Hillcrest 50-49 Andrew
Orland Park Sectional
Bradley-Bourbonnais 54-30 Minooks
Sandburg 87-85 Providence (OT)
Lockport 69-52 Plainfield
Waubonsie Valley 80-50 Morris
Joliet West 85-58 Lincoln-Way
Joliet Catholic 61-55 Romeoville
Kankakee 72-67 Joloet Central
Oswego 72-68 Bolingbrook
Bradley-Bourbonnais 72-50 Sandburg
Lockport 68-47 Waubonsie Valley
Joliet West 72-50 Joliet Catholic
Kankakee 87-75 Oswego
Palatine Sectional
Lake Park 74-59 Elk Grove
Lake Park 66-60 Hersey
Glenbard North 64-62 Schaumburg
Prospect 62-49 Fenton
Fremd 70-55 Rolling Meadows
St. Charles 80-56 Barrington
Addison Trail 69-57 Buffalo Grove
Conant 93-66 Wheeling
Palatine 59-49 Hoffman Estates
Glenbard North 73-62 Lake Park
Fremd 50-48 Prospect
St. Charles 69-56 Addison Trail
Conant 53-51 Palatine
Peoria Sectional
Macomb 59-56 Chillicothe IVC
Quincy78-33 Macomb
East Peoria 71-53 Limestone
Peoria Central 73-49 Peoria Woodruff
Morton 73-59 Washington
Peoria Richwoods 98-40 Pontiac
Pekin 62-51 Canton
Peoria Manual 80-53 Metamora
Peoria ND 76-67 Galesburg
Quincy 71-58 East Peoria
Peoria Central 52-42 Morton
Peoria Richwoods 36-33 Pekin (2 OT)
Peoria Manual 103-62 Peoria ND
Rock Island Sectional
Rockford Boylan 100-63 Dixon
Moline 70-64 Rock Island
Geneseo 71-52 Streator
East Moline 70-57 Freeport
LaSalle-Peru 77-37 Sterling
DeKalb 55-54 Rock Falls (OT)
Rockford Auburn 56-52 Rockford East
Rochelle 64-57 Ottawa
Rockford Boylan 71-51 Moline
Geneseo 64-48 East Moline
LaSalle-Peru 71-50 DeKalb
Rockford Auburn 61-41 Rochelle
Salem Sectional
Mount Vernon 73-51 Triad
Marion 67-61 Mount Carmel
Centralia 73-57 Herrin
Mattoon 68-42 Salem
O’Fallon 67-32 Mascoutah
Paris 55-53 Charleston
Carbondale 73-63 Murphysboro
Effingham 57-52 Highland
Mount Vernon 66-51 Marion
Centralia 72-52 Mattoon
O’Fallon 67-62 Paris
Carbondale 76-66 Effingham
South Holland Sectional
Leo 107-29 Oak Lawn
Thornton 73-61 Thornwood
TF North 56-49 Marian Catholic
St. Francis de Saltes 92-73 Brother Rice
Marist 75-50 Blue Island Eisenhower
Thornridge 49-47 St. Laurence
Mount Carmel 53-51 Reavis
Richards 73-62 TF South
Leo 83-71 Thornton
St. Francis de Sales 81-51 TF North
Thornridge 76-66 Marist
Mount Carmel 90-63 Richard
Waukegan Sectional
Stevenson 100-42 Grant
Lake Forest 53-51 Libertyville
Carmel 56-50 Zion-Benton
Waukegan 60-39 Antioch
Highland Park 70-49 Grayslake
Mundelein 76-52 Round Lake
Warren 77-59 North Chicago
Deerfield 50-38 Lake Zurich
Stevenson 86-59 Lake Forest
Carmel 57-53 Waukegan (OT)
Highland Park 74-69 Mundelein
Warren 71-45 Deerfield