2011 Cross Country Enrollments
| Class L | |
| Collinsville | 4448 |
| Fulton-OF | 3450 |
| Carriel-OF | 3400 |
| Marion | 2566 |
| Triad | 2454 |
| Highland | 1999 |
| Waterloo | 1804 |
| Herrin | 1624 |
| Harrisburg | 1484 |
| Mt. Vernon | 1411 |
| Olney | 1421 |
| Murphysboro | 1355 |
| Carterville | 1350 |
| West Frankfort | 1308 |
| Centralia | 1254 |
| Carbondale | 1215 |
| Benton | 1021 |
| Salem | 921 |
| Eldorado | 769 |
| Chester | 660 |
| Nashville | 517 |
| Class S | |
| Smithton | 493 |
| North Clay | 467 |
| Wayne City | 387 |
| Good Shepherd | 350 |
| Norris City-Omaha | 333 |
| Cisne | 324 |
| Woodlawn | 318 |
| Rome | 287 |
| Bluford | 285 |
| Waltonville | 269 |
| Field | 261 |
| Summersville | 243 |
| Raccoon | 235 |
| Central City | 225 |
| Selmaville | 219 |
| Odin | 194 |
| N. Wamac-Irv. Co-op | 187 |
| Noble | 185 |
| Ashley-Coop | 181 |
| Opdyke | 180 |
| Willow Grove | 178 |
| St. And-Im. Luth Co-op | 173 |
| Pinckneyville #204 | 165 |
| Creal Springs | 154 |
| Maryville Christian | 152 |
| Bethel | 148 |
| St. Joe - Olney | 143 |
| St. Marys-Mt.Vernon | 140 |
| St.Marks-Steeleville | 118 |
| New Hebron-Robinson | 115 |
| New Horizon-Centralia | 110 |
| Allendale | 97 |
| St.John-W. Frankfort | 76 |
| Grand Prairie | 70 |
| St.Marys-Centralia | 69 |
| St. Theresa-Salem | 52 |
