Illinois High School Yearbooks - By County
| Adams | DuPage | Jo Daviess | McHenry | Sangamon |
| Alexander | Edgar | Johnson | McLean | Schuyler |
| Bond | Edwards | Kane | Menard | Scott |
| Boone | Effingham | Kankakee | Merver | Shelby |
| Brown | Fayette | Kendall | Monroe | St. Clair |
| Bureau | Ford | Knox | Montgomery | Stark |
| Calhoun | Franklin | Lake | Morgan | Stephenson |
| Carroll | Fulton | LaSalle | Moultrie | Tazewell |
| Cars | Gallatin | Lawrence | Ogle | Union |
| Champaign | Greene | Lee | Peoria | Vermilion |
| Christian | Grundy | Livingston | Perry | Wabash |
| Clark | Hamilton | Logan | Piatt | Warren |
| Clay | Hancock | Macon | Pike | Washington |
| Clinton | Hardin | Macoupin | Pope | Wayne |
| Coles | Henderson | Madison | Pulaski | White |
| Cook | Henry | Marion | Putnam | Whiteside |
| Crawford | Iroquois | Marshall | Randolph | Will |
| Cumberland | Jackson | Mason | Richland | Williamson |
| DeKalb | Jasper | Massac | Rock Island | Winnebago |
| DeWitt | Jefferson | McDonough | Saline | Woodford |
| Douglas | Jersey |