Illinois Schools
- Bloomington Junior High School
- Bloomington School District 87
- Blue Ridge Community Unit School District 18
- Blue Ridge High School
- Bogan High School
- Bolingbrook High School
- Bond County Community Unit School District 2
- Booth School Of Business
- Bowen High School
- Boylan Catholic High School
- Bradley Elementary School District 61
- Bradley University
- Bradley Bourbonnais Community High School
- Bremen Community High School District 228
- Bremen High School
- Brimfield High School
- British International School Of Chicago, South Loop
- British School Of Chicago
- Bronzeville Scholastic Institute
- Brooklyn Unit School District 188
- Brookwood School District 167
- Brother Rice High School
- Brown County Community Unit School District 1
- Brown County High School
- Brussels High School
- Buffalo Grove High School
- Bunker Hill Military Academy
- Burbank School District 111
- Bureau Valley Cusd #340
- Bureau Valley High School
- Burhan Academy (elgin, Illinois)
- Bushnell Prairie City High School
- Butler College Preparatory High School
- Butler School
- Byron High School
- C G Jung Institute Of Chicago
- Cics Northtown Academy
- Cahokia High School
- Cahokia Unit School District 187
- Cairo Unified School District 1
- Calhoun High School
- Calumet High School
- Cambridge High School
- Campbell Center For Historic Preservation Studies
- Canton High School
- Carbondale Community High School
- Carbondale Community High School District 165
- Carbondale Elementary School District 95
- Carbondale Middle School
- Carl Sandburg College
- Carl Sandburg High School
- Carl Schurz High School
- Carle Illinois College Of Medicine
- Carlinville High School
- Carmel High School
- Carmi White County Community Unit School District 5
- Carmi White County High School
- Carpentersville Middle School
- Carrollton High School
- Carterville High School
- Carver Military Academy
- Cary Grove High School
- Catholic Theological Union
- Centennial High School
- Center Cass School District 66
- Central Catholic High School
- Central Community Unit School District 3
- Central Community Unit School District 301
- Central High School
- Central High School
- Central High School
- Central Junior High School
- Centralia High School
- Century High School
- Chaddock College
- Chamberlain University
- Champaign Central High School
- Champaign Unit 4 School District
- Chana School
- Chaney Monge School District 88
- Chapin Hall
- Charleston Community Unit School District 1
- Charleston High School
- Charter Oak Schoolhouse
- Chester High School
- Chester Non High School District 122
- Chesterton Academy Of The Holy Family
- Chicago Academy For The Arts
- Chicago Academy Of Sciences
- Chicago Bulls College Prep
- Chicago Christian High School
- Chicago College Of Oriental Medicine
- Chicago College Of Osteopathic Medicine
- Chicago Futabakai Japanese School
- Chicago High School
- Chicago High School For Agricultural Sciences
- Chicago High School For The Arts
- Chicago Institute For Psychoanalysis
- Chicago International Charter School
- Chicago Jewish Day School