**Teams in bold qualified for the IHSA playoffs
| Standings: | Conf | Overall |
| Three-Rivers Mississippi | ||
| Monmouth-Roseville | (5-1) | (7-2) |
| Spring Valley Hall *2017 Champ | (5-1) | (6-3) |
| Princeton *2018 Champ | (5-1) | (6-3) |
| Peru St. Bede | (2-4) | (4-5) |
| Sherrard | (2-4) | (2-7) |
| Kewanee | (1-5) | (2-7) |
| Erie-Prophetstown | (1-5) | (1-8) |
| Three-Rivers Rock | ||
| Orion *2018 Champ | (6-0) | (9-0) |
| Sterling Newman *2017 Champ | (5-1) | (8-1) |
| Fulton | (4-2) | (5-4) |
| Rockridge | (3-3) | (6-3) |
| Bureau Valley | (2-4) | (3-6) |
| Riverdale | (1-5) | (2-7) |
| Morrison | (0-6) | (2-7) |
| Lincoln Trail Conference | ||
| Princeville *2018 Champ | (7-0) | (9-0) |
| Annawan/Weth *2017 Champ | (6-1) | (6-3) |
| Mid County | (5-2) | (6-3) |
| Mercer County | (4-3) | (5-4) |
| Ridgewood | (3-4) | (5-4) |
| Stark County | (2-5) | (3-6) |
| West Central | (1-6) | (1-8) |
| United | (0-7) | (0-9) |
| Western Big 6 Conference | ||
| Moline *17 and 18 Champ |
(5-0) | (8-1) |
| Quincy | (4-1) | (7-2) |
| Rock Island | (3-2) | (5-4) |
| Alleman | (2-3) | (5-4) |
| Galesburg | (1-4) | (1-8) |
| United Township | (0-5) | (1-8) |
| Prairieland Blue | ||
| Farmington *17 & 18 Champ | (5-0) | (9-0) |
| Elmwood/Brimfield | (4-1) | (6-3) |
| Rushville/Industry | (3-2) | (5-4) |
| Bushnell-Prairie City/West Prairie | (2-3) | (4-5) |
| Havana/Midwest Cent. | (1-4) | (1-8) |
| Peoria Heights/Quest | (0-5) | (1-8) |
| Prairieland Black | ||
| Illini West *2018 Champ | (5-0) | (9-0) |
| Knoxville *2017 Champ | (4-1) | (6-3) |
| Lewistown | (3-2) | (5-4) |
| Abingdon/Avon | (2-3) | (3-6) |
| North Fulton | (1-4) | (5-4) |
| South Fulton | (0-5) | (2-7) |
| West Central Conference | ||
| West Hancock *2018 Champ | (2-0) | (6-3) |
| QND | (1-1) | (3-6) |
| Macomb | (0-2) | (2-7) |
| Mid-Illini | ||
| Washington *2018 Champ | (7-0) | (9-0) |
| Metamora | (6-1) | (8-1) |
| Dunlap *2017 Champ | (5-2) | (7-2) |
| Morton | (4-3) | (6-3) |
| Pekin | (3-4) | (4-5) |
| Limestone | (2-5) | (2-7) |
| East Peoria | (1-6) | (1-8) |
| Canton | (0-7) | (1-8) |
