St. Clair County schools ranked by test score
Latest IAR + ISA year (2024-25). 67 schools in St. Clair County, Illinois with reported Mathematics scores. Illinois state average: 37.9%.
| Rank | School | Level | Mathematics | vs state |
|---|---|---|---|---|
| 1 | Wolf Branch Elem School Swansea · Wolf Branch SD 113 | Elementary | 76.9% | +39.0pp |
| 2 | Mascoutah Elem School Mascoutah · Mascoutah CUD 19 | Elementary | 72.7% | +34.8pp |
| 3 | Delores Moye Elem School O Fallon · O Fallon CCSD 90 | Elementary | 68.8% | +30.9pp |
| 4 | J Emmett Hinchcliffe Sr Elem Sch O Fallon · O Fallon CCSD 90 | Elementary | 68.5% | +30.6pp |
| 5 | Estelle Kampmeyer Elem School O Fallon · O Fallon CCSD 90 | Elementary | 64.9% | +27.0pp |
| 6 | Millstadt Consolidated School Millstadt · Millstadt CCSD 160 | Middle | 63.7% | +25.8pp |
| 7 | Wingate Elementary School Shiloh · Mascoutah CUD 19 | Elementary | 63.1% | +25.2pp |
| 8 | Scott Elem School Scott Air Force Base · Mascoutah CUD 19 | Elementary | 61.1% | +23.2pp |
| 9 | New Athens Elem New Athens · New Athens CUSD 60 | Elementary | 60.6% | +22.7pp |
| 10 | Freeburg Elem School Freeburg · Freeburg CCSD 70 | Middle | 58.1% | +20.2pp |
| 11 | Fulton Jr High School O Fallon · O Fallon CCSD 90 | Middle | 56.8% | +18.9pp |
| 12 | Marie Schaefer Elem School O Fallon · O Fallon CCSD 90 | Elementary | 56.8% | +18.9pp |
| 13 | New Athens Jr High New Athens · New Athens CUSD 60 | Middle | 56.4% | +18.5pp |
| 14 | Smithton Elem School Smithton · Smithton CCSD 130 | Elementary | 54.9% | +17.0pp |
| 15 | Wolf Branch Middle School Swansea · Wolf Branch SD 113 | Middle | 52.8% | +14.9pp |
| 16 | Lebanon Elem School Lebanon · Lebanon CUSD 9 | Elementary | 51.5% | +13.6pp |
| 17 | Mascoutah Middle School Mascoutah · Mascoutah CUD 19 | Middle | 50.5% | +12.6pp |
| 18 | Shiloh Middle School Shiloh · Shiloh Village SD 85 | Middle | 49.8% | +11.9pp |
| 19 | Dawn Elser Elementary School O Fallon · Central SD 104 | Elementary | 48.6% | +10.7pp |
| 20 | Laverna Evans Elem School O Fallon · O Fallon CCSD 90 | Elementary | 48.4% | +10.5pp |
| 21 | Shiloh Elementary School Shiloh · Shiloh Village SD 85 | Elementary | 47.5% | +9.6pp |
| 22 | Amelia V Carriel Jr High O Fallon · O Fallon CCSD 90 | Middle | 45.2% | +7.3pp |
| 23 | Roosevelt Elem School Belleville · Belleville SD 118 | Elementary | 44.0% | +6.1pp |
| 24 | Henry Raab Elem School Belleville · Belleville SD 118 | Elementary | 42.6% | +4.7pp |
| 25 | St Libory Elem School St Libory · St Libory Cons SD 30 | Elementary | 41.0% | +3.1pp |
| 26 | Westhaven Elementary Belleville · Belleville SD 118 | Elementary | 41.0% | +3.1pp |
| 27 | Douglas Elem School Belleville · Belleville SD 118 | Elementary | 39.5% | +1.6pp |
| 28 | Bluffview Elem School Dupo · Comm Unit School District No 196 | Elementary | 37.7% | -0.2pp |
| 29 | Whiteside Elem School Belleville · Whiteside SD 115 | Elementary | 35.3% | -2.6pp |
| 30 | Joseph Arthur Middle School O Fallon · Central SD 104 | Middle | 34.7% | -3.2pp |
| 31 | Caseyville Elementary School Caseyville · Collinsville CUSD 10 | Elementary | 34.3% | -3.6pp |
| 32 | Illini Elem School Fairview Heights · Grant CCSD 110 | Elementary | 34.2% | -3.7pp |
| 33 | Annette Officer Elementary East Saint Louis · East St Louis SD 189 | Elementary | 34.0% | -3.9pp |
| 34 | Lebanon High School Lebanon · Lebanon CUSD 9 | High | 32.6% | -5.3pp |
| 35 | Ellis Elem School Belleville · Harmony Emge SD 175 | Elementary | 31.1% | -6.8pp |
| 36 | Twin Echo Elem School Collinsville · Collinsville CUSD 10 | Elementary | 31.1% | -6.8pp |
| 37 | Signal Hill Elem School Belleville · Signal Hill SD 181 | Elementary | 31.0% | -6.9pp |
| 38 | Emge Junior High School Belleville · Harmony Emge SD 175 | Middle | 30.8% | -7.1pp |
| 39 | Central Jr High School Belleville · Belleville SD 118 | Middle | 30.6% | -7.3pp |
| 40 | Dupo Jr High School Dupo · Comm Unit School District No 196 | Middle | 30.3% | -7.6pp |
| 41 | James Avant Elementary School Washington Pk · East St Louis SD 189 | Elementary | 29.5% | -8.4pp |
| 42 | Union Elem School Belleville · Belleville SD 118 | Elementary | 27.0% | -10.9pp |
| 43 | Jefferson Elem School Belleville · Belleville SD 118 | Elementary | 25.4% | -12.5pp |
| 44 | William Holliday Elem School Fairview Heights · Pontiac-W Holliday SD 105 | Elementary | 25.4% | -12.5pp |
| 45 | Belle Valley School Belleville · Belle Valley SD 119 | Elementary | 25.0% | -12.9pp |
| 46 | Harmony Intermediate Center Belleville · Harmony Emge SD 175 | Middle | 23.9% | -14.0pp |
| 47 | Marissa Jr & Sr High School Marissa · Marissa CUSD 40 | High | 22.8% | -15.1pp |
| 48 | Marissa Elem School Marissa · Marissa CUSD 40 | Elementary | 20.5% | -17.4pp |
| 49 | West Jr High School Belleville · Belleville SD 118 | Middle | 20.2% | -17.7pp |
| 50 | Dunbar Elem School East Saint Louis · East St Louis SD 189 | Elementary | 20.0% | -17.9pp |
About this ranking
Schools are ranked by the percentage of students who scored at or above the IAR + ISA % Proficient (Levels 4-5) threshold on the latest available IAR + ISA Mathematics test (school year 2024-25). Only public schools in St. Clair County, Illinois with a reasonable cohort size are shown. A higher percentage is better.
The comparison column shows the gap to the Illinois statewide enrollment-weighted average. To compare against neighboring counties, use the full Illinois ranking.