St. Clair County schools ranked by test score
Latest IAR + ISA year (2024-25). 54 schools in St. Clair County, Illinois with reported Science scores. Illinois state average: 40.3%.
| Rank | School | Level | Science | vs state |
|---|---|---|---|---|
| 1 | Smithton Elem School Smithton · Smithton CCSD 130 | Elementary | 73.8% | +33.5pp |
| 2 | Scott Elem School Scott Air Force Base · Mascoutah CUD 19 | Elementary | 71.9% | +31.6pp |
| 3 | Fulton Jr High School O Fallon · O Fallon CCSD 90 | Middle | 71.7% | +31.4pp |
| 4 | Estelle Kampmeyer Elem School O Fallon · O Fallon CCSD 90 | Elementary | 71.2% | +30.9pp |
| 5 | J Emmett Hinchcliffe Sr Elem Sch O Fallon · O Fallon CCSD 90 | Elementary | 65.0% | +24.7pp |
| 6 | Freeburg Elem School Freeburg · Freeburg CCSD 70 | Middle | 64.7% | +24.4pp |
| 7 | Mascoutah Elem School Mascoutah · Mascoutah CUD 19 | Elementary | 64.6% | +24.3pp |
| 8 | Mascoutah Middle School Mascoutah · Mascoutah CUD 19 | Middle | 61.7% | +21.4pp |
| 9 | Amelia V Carriel Jr High O Fallon · O Fallon CCSD 90 | Middle | 60.5% | +20.2pp |
| 10 | Marie Schaefer Elem School O Fallon · O Fallon CCSD 90 | Elementary | 59.0% | +18.7pp |
| 11 | Delores Moye Elem School O Fallon · O Fallon CCSD 90 | Elementary | 58.7% | +18.4pp |
| 12 | New Athens Elem New Athens · New Athens CUSD 60 | Elementary | 58.1% | +17.8pp |
| 13 | Millstadt Consolidated School Millstadt · Millstadt CCSD 160 | Middle | 57.6% | +17.3pp |
| 14 | Wolf Branch Middle School Swansea · Wolf Branch SD 113 | Middle | 56.7% | +16.4pp |
| 15 | Lebanon High School Lebanon · Lebanon CUSD 9 | High | 55.3% | +15.0pp |
| 16 | Wingate Elementary School Shiloh · Mascoutah CUD 19 | Elementary | 54.4% | +14.1pp |
| 17 | Marissa Jr & Sr High School Marissa · Marissa CUSD 40 | High | 53.6% | +13.3pp |
| 18 | Lebanon Elem School Lebanon · Lebanon CUSD 9 | Elementary | 52.1% | +11.8pp |
| 19 | Roosevelt Elem School Belleville · Belleville SD 118 | Elementary | 51.1% | +10.8pp |
| 20 | Bluffview Elem School Dupo · Comm Unit School District No 196 | Elementary | 50.0% | +9.7pp |
| 21 | Joseph Arthur Middle School O Fallon · Central SD 104 | Middle | 48.2% | +7.9pp |
| 22 | New Athens Jr High New Athens · New Athens CUSD 60 | Middle | 45.8% | +5.5pp |
| 23 | St Libory Elem School St Libory · St Libory Cons SD 30 | Elementary | 42.9% | +2.6pp |
| 24 | Central Jr High School Belleville · Belleville SD 118 | Middle | 42.3% | +2.0pp |
| 25 | Laverna Evans Elem School O Fallon · O Fallon CCSD 90 | Elementary | 41.4% | +1.1pp |
| 26 | Pontiac Jr High School Fairview Heights · Pontiac-W Holliday SD 105 | Middle | 41.3% | +1.0pp |
| 27 | Shiloh Middle School Shiloh · Shiloh Village SD 85 | Middle | 41.3% | +1.0pp |
| 28 | Emge Junior High School Belleville · Harmony Emge SD 175 | Middle | 41.0% | +0.7pp |
| 29 | Westhaven Elementary Belleville · Belleville SD 118 | Elementary | 40.4% | +0.1pp |
| 30 | Dupo Jr High School Dupo · Comm Unit School District No 196 | Middle | 37.7% | -2.6pp |
| 31 | Union Elem School Belleville · Belleville SD 118 | Elementary | 37.7% | -2.6pp |
| 32 | Belle Valley School Belleville · Belle Valley SD 119 | Elementary | 37.6% | -2.7pp |
| 33 | William Holliday Elem School Fairview Heights · Pontiac-W Holliday SD 105 | Elementary | 35.6% | -4.7pp |
| 34 | Jefferson Elem School Belleville · Belleville SD 118 | Elementary | 34.6% | -5.7pp |
| 35 | Signal Hill Elem School Belleville · Signal Hill SD 181 | Elementary | 34.0% | -6.3pp |
| 36 | Henry Raab Elem School Belleville · Belleville SD 118 | Elementary | 31.8% | -8.5pp |
| 37 | West Jr High School Belleville · Belleville SD 118 | Middle | 31.5% | -8.8pp |
| 38 | Harmony Intermediate Center Belleville · Harmony Emge SD 175 | Middle | 29.7% | -10.6pp |
| 39 | Douglas Elem School Belleville · Belleville SD 118 | Elementary | 29.0% | -11.3pp |
| 40 | Whiteside Middle School Belleville · Whiteside SD 115 | Middle | 29.0% | -11.3pp |
| 41 | Abraham Lincoln Elem School Belleville · Belleville SD 118 | Elementary | 26.9% | -13.4pp |
| 42 | Grant Middle School Fairview Heights · Grant CCSD 110 | Middle | 26.2% | -14.1pp |
| 43 | Marissa Elem School Marissa · Marissa CUSD 40 | Elementary | 22.2% | -18.1pp |
| 44 | James Avant Elementary School Washington Pk · East St Louis SD 189 | Elementary | 20.9% | -19.4pp |
| 45 | High Mount Elem School Swansea · High Mount SD 116 | Elementary | 19.3% | -21.0pp |
| 46 | East St Louis-Lincoln Middle Sch East Saint Louis · East St Louis SD 189 | Middle | 15.5% | -24.8pp |
| 47 | Wyvetter Younge Sch of Excellence E Saint Louis · East St Louis SD 189 | Elementary | 14.3% | -26.0pp |
| 48 | Franklin Elem School Belleville · Belleville SD 118 | Elementary | 13.0% | -27.3pp |
| 49 | Wirth/Parks Middle School Cahokia · Cahokia CUSD 187 | Middle | 11.6% | -28.7pp |
| 50 | Mason/Clark Middle Sch East Saint Louis · East St Louis SD 189 | Middle | 11.2% | -29.1pp |
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 Science 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.