2026-27 Outlook
LangIndex projects Southern Illinois at #163 nationally for the 2026-27 college basketball season with a projected efficiency margin of +0.1 points per 100 possessions. That's a steep projected drop from #126 last season, driven by roster turnover. The model expects a rebuilding-type season.
About 53% of last season's production returns, a middle-of-the-road continuity number. The program adds 3 incoming recruits to the mix.
Last Season (2025-26)
Southern Illinois finished 2025-26 at 15-16, ranked #126 in the final LangIndex ratings with adjusted offense of 104.2 and adjusted defense of 100.4 points per 100 possessions.
How LangIndex Rates Southern Illinois
Southern Illinois's power rating of +0.1 is an adjusted efficiency margin: the points per 100 possessions the model expects them to outscore an average Division I team by, once you strip out schedule strength. It combines adjusted offensive efficiency, adjusted defensive efficiency, and pace into one number, so a rating of +0.1 means Southern Illinois projects to beat a neutral-court average team by about 0 points on a typical night. The full live version updates every morning during the season.
Southern Illinois Rating History
Season-by-season LangIndex power rating and national rank. Southern Illinois has been fairly steady in the LangIndex ratings over this stretch. Their best finish in this window was #102 in 2022-23.
| Season | Power Rating | Nat. Rank |
|---|---|---|
| 2025-26 | +0.8 | #119 |
| 2024-25 | -5.1 | #254 |
| 2023-24 | +4.0 | #115 |
| 2022-23 | +5.1 | #102 |
| 2021-22 | +3.0 | #131 |
| 2020-21 | -8.1 | #273 |