allk12 · Rankings · Lowest ratio · Illinois · K-12 schools

The public K-12 schools with the lowest student-to-teacher ratios in Illinois

This ranking covers the public K-12 schools with the lowest student-to-teacher ratios in Illinois, drawn from 3 qualifying public K-12 schools. Horizon Science Acad-Belmont leads the list at 9.8:1, against a median of 10.2:1 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

Illinois

Best Students/teacher

9.8:1

Median Students/teacher

10.2:1

LOWEST RATIO · ILLINOIS

#	School	City	District	Level	Students	Ratio
1	Horizon Science Acad-Belmont	Chicago, IL	Horizon Science Acad-Belmont	Combined	785	9.8:1
2	Edwin A Lee Elementary School	Springfield, IL	Springfield SD 186	Combined	204	10.2:1
3	CICS - Longwood Campus	Chicago, IL	Chicago Public Schools Dist 299	Combined	1,137	16.0:1

Page 1 of 1 · top 3 of 3 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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Lowest ratio rankings at a wider scope

Nationwide

Other rankings for Illinois

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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.