Illinois Schools
- Gem City Business College
- Geneseo Community Unit School District 228
- Geneseo High School
- Geneva Community High School
- Geneva Country Day School
- Genoa Kingston High School
- George Washington High School
- George Westinghouse College Prep
- Georgetown–ridge Farm Community Unit District 4
- Giant City Elementary School
- Gibault Catholic High School
- Gibson City Melvin Sibley School District
- Gies College Of Business
- Glenbard East High School
- Glenbard North High School
- Glenbard South High School
- Glenbard Township High School District 87
- Glenbard West High School
- Glenbrook North High School
- Glenbrook South High School
- Glenview Community Consolidated School District 34
- Glenwood High School
- Glenwood School
- Golder College Prep
- Golf School District 67
- Governors State University
- Graham School Of Continuing Liberal And Professional Studies
- Grainger College Of Engineering
- Granite City Community Unit School District 9
- Granite City High School
- Grant Community High School
- Grass Lake School District 36
- Grayslake Central High School
- Grayslake Community High School District 127
- Grayslake North High School
- Greenbrier School
- Greenville High School
- Greenville University
- Griggsville Perry Community Unit School District 4
- Griggsville Perry High School
- Grundy Elementary School
- Guilford High School
- Gurnee School District 56
- Gwendolyn Brooks College Preparatory Academy
- Gwendolyn Brooks Middle School
- Hadley Junior High School
- Hahnemann Medical College
- Hales Franciscan High School
- Hall High School
- Hamburger University
- Hamilton High School
- Hampshire High School
- Hancock High School
- Hansberry College Prep
- Harlan Community Academy High School
- Harlem High School
- Harlem School District 122
- Harold L Richards High School
- Harold Washington College
- Harper College
- Harper High School
- Harrington College Of Design
- Harris School Of Public Policy
- Harrisburg High School
- Harrison School District 36
- Harrison Technical High School
- Harry D Jacobs High School
- Harvard High School
- Harvard School For Boys
- Harvey School District 152
- Havana High School
- Hawthorn Community Consolidated School District 73
- Heartland Community College
- Hebrew Seminary
- Hebrew Theological College
- Helen C Peirce School Of International Studies
- Henry Senachwine High School
- Herrin High School
- Herscher High School
- Hershey School Of Musical Art
- Highland Community College
- Highland Community Unit School District 5
- Highland High School
- Highland Park High School
- Hillcrest High School
- Hillsboro High School
- Hillside School District 93
- Hinsdale Central High School
- Hinsdale South High School
- Hinsdale Township High School District 86
- Hirsch Metropolitan High School
- Hobart House
- Hoffman Estates High School
- Holy Trinity High School
- Homer Community Consolidated School District 33c
- Homewood Flossmoor High School
- Hononegah Community High School
- Hough Street School
- Hubbard High School
- Hubble Middle School