📊 Data: NCES CCD 2024–2025·🔄 Updated: August 2026·Editorial standards
📍 Illinois · LaSalle County

School Districts in
LaSalle County, IL

9 public school districts serving 27 zip codes in LaSalle County. Average rating: 5/10. Ratings reflect state reading & math proficiency (EDFacts 2021–22 for most districts, 2017–18 fallback for the rest), percentile-ranked within Illinois.

Districts in LaSalle County9 districts, sorted by rating
DistrictCityRatingStudentsSchoolsGradesZip Codes
Lostant Community Unit School District 425Lostant8/10  Good · 79th pct691K–81
Seneca Township High School District 160Kinsman6/10  Average · 55th pct38519–124
Leland Community Unit School District 1Leland6/10  Average · 52nd pct2412PK–121
Mendota Community Consolidated School District 289Compton5/10  Average · 49th pct49319–125
LaSalle-Peru Township High School District 120La Salle5/10  Average · 48th pct1,19819–127
Ottawa Township High School District 140Marseilles5/10  Average · 43rd pct1,26129–123
Earlville Community Unit School District 9Earlville5/10  Average · 40th pct3783PK–121
Serena CUSD 2Serena4/10  Below Average · 39th pct6464PK–123
Streator Township High School District 40Blackstone2/10  Poor · 14th pct80919–122

How LaSalle County compares

Together they enroll 5,480 students across 16 schools. The largest is Ottawa Township High School District 140 with 1,261 students. Districts here average 5.1/10, below the Illinois average of 5.4/10. Ratings range from 2/10 to 8/10.

School Districts in LaSalle County, Illinois

LaSalle County has 9 public school districts covering 27 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 (NCES EDFacts, 2021–22 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.