Districts in LaSalle County11 districts, sorted by rating
| District | City | Rating | Zip Codes |
|---|---|---|---|
| Lostant Community Unit School District 425 | Lostant | 8/10 Good · 79th pct | 1 |
| Seneca Township High School District 160 | Seneca Township | 6/10 Average · 55th pct | 3 |
| Leland Community Unit School District 1 | Leland | 6/10 Average · 52nd pct | 1 |
| Mendota Community Consolidated School District 289 | Mendota | 5/10 Average · 49th pct | 4 |
| Mendota Township High School District 280 | Mendota Township | 5/10 Average · 49th pct | 1 |
| LaSalle-Peru Township High School District 120 | LaSalle-Peru Township | 5/10 Average · 48th pct | 5 |
| Ottawa Township High School District 140 | Ottawa Township | 5/10 Average · 43rd pct | 2 |
| Earlville Community Unit School District 9 | Earlville | 5/10 Average · 40th pct | 1 |
| Serena CUSD 2 | Serena CUSD | 4/10 Below Average · 39th pct | 3 |
| Dwight Township High School District 230 | Dwight Township | 2/10 Poor · 14th pct | 1 |
| Streator Township High School District 40 | Streator Township | 2/10 Poor · 14th pct | 1 |
Zip Codes in LaSalle County
School Districts in LaSalle County, Illinois
LaSalle County has 11 public school districts covering 23 zip codes. The top-rated district in LaSalle County is Lostant Community Unit School District 425 (8/10). Ratings are based on the share of students proficient in reading and math on state assessments (Illinois IAR 2023–24 for most districts), ranked against all districts in Illinois. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.