allk12 · Rankings · Lowest ratio · Illinois · LaSalle County

The public schools with the lowest student-to-teacher ratios in LaSalle County, Illinois

27 public schools in LaSalle County, Illinois appear in this ranking of the public schools with the lowest student-to-teacher ratios, ranked by the fewest students per teacher, a proxy for class size and staffing. Seneca Grade School North Campus leads the list at 9.3:1, against a median of 12.8:1 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.

Schools ranked

LaSalle County, Illinois

Best Students/teacher

9.3:1

Median Students/teacher

12.8:1

LOWEST RATIO · LASALLE COUNTY, ILLINOIS

#	School	City	District	Level	Students	Ratio
1	Seneca Grade School North Campus	Seneca, IL	Seneca CCSD 170	Elementary	256	9.3:1
2	Grand Ridge School	Grand Ridge, IL	Grand Ridge CCSD 95	Elementary	212	9.6:1
3	Seneca High School	Seneca, IL	Seneca Twp HSD 160	High	378	9.9:1
4	Earlville Elem School	Earlville, IL	Earlville CUSD 9	Elementary	253	10.1:1
5	Seneca Elem School South Campus	Seneca, IL	Seneca CCSD 170	Middle	209	10.4:1
6	Waltham Elementary School	Utica, IL	Waltham CCSD 185	Elementary	246	10.5:1
7	Northwest Elem School	La Salle, IL	La Salle ESD 122	Elementary	650	11.4:1
8	Shepherd Middle School	Ottawa, IL	Ottawa ESD 141	Middle	353	11.5:1
9	Lincoln Jr High School	La Salle, IL	La Salle ESD 122	Middle	269	11.7:1
10	Lincoln Elem School	Mendota, IL	Mendota CCSD 289	Elementary	319	11.8:1
11	Marseilles Elementary School	Marseilles, IL	Marseilles ESD 150	Elementary	528	12.3:1
12	Central Intermediate School	Ottawa, IL	Ottawa ESD 141	Middle	339	12.3:1
13	Lincoln Elem School	Oglesby, IL	Oglesby ESD 125	Elementary	328	12.6:1
14	Parkside Middle School	Peru, IL	Peru ESD 124	Middle	372	12.8:1
15	La Salle-Peru Twp High School	La Salle, IL	La Salle-Peru Twp HSD 120	High	1,167	13.1:1
16	Lincoln Elem School	Ottawa, IL	Ottawa ESD 141	Elementary	387	13.1:1
17	Jefferson Elem School	Ottawa, IL	Ottawa ESD 141	Elementary	304	13.3:1
18	Mendota Twp High School	Mendota, IL	Mendota Twp HSD 280	High	493	13.3:1
19	Northview Elem School	Peru, IL	Peru ESD 124	Elementary	594	13.5:1
20	Ottawa Township High School	Ottawa, IL	Ottawa Twp HSD 140	High	1,223	13.7:1
21	Streator Twp High School	Streator, IL	Streator Twp HSD 40	High	764	13.8:1
22	Northbrook School	Mendota, IL	Mendota CCSD 289	Middle	526	13.8:1
23	Wallace Elem School	Ottawa, IL	Wallace CCSD 195	Elementary	420	14.8:1
24	McKinley Elem School	Ottawa, IL	Ottawa ESD 141	Elementary	364	14.9:1
25	Kimes Elem School	Streator, IL	Streator ESD 44	Elementary	415	15.1:1
26	Northlawn Jr High School	Streator, IL	Streator ESD 44	Middle	614	15.7:1
27	Centennial Elem School	Streator, IL	Streator ESD 44	Elementary	482	15.9:1

Page 1 of 1 · top 27 of 27 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.