The fastest-declining public high schools by enrollment in LaSalle County, Illinois
6 public high schools in LaSalle County, Illinois appear in this ranking of the fastest-declining public high schools by enrollment, ranked by the steepest enrollment decline between the 2017-18 and 2024-25 school years. Serena High School leads the list at -28.0%, against a median of -11.8% across the ranked schools.
The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.
| # | School | City | 2024-25 | % Change |
|---|---|---|---|---|
| 1 | Serena High School | Serena, IL | 162 | -28.0% |
| 2 | Seneca High School | Seneca, IL | 378 | -17.1% |
| 3 | Streator Twp High School | Streator, IL | 764 | -12.4% |
| 4 | Mendota Twp High School | Mendota, IL | 493 | -11.2% |
| 5 | Ottawa Township High School | Ottawa, IL | 1,223 | -8.2% |
| 6 | La Salle-Peru Twp High School | La Salle, IL | 1,167 | -4.1% |
All schools in LaSalle County →
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Other rankings for LaSalle County, Illinois
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