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allk12 · Rankings · Highest ratio · Illinois

The public schools with the highest student-to-teacher ratios in Illinois

3,124 public schools in Illinois appear in this ranking of the public schools with the highest student-to-teacher ratios, ranked by the most students per teacher, a proxy for larger classes. Montessori of Englewood Chtr ES leads the list at 49.9:1, against a median of 13.4:1 across the ranked schools.

Use the search box to find a specific school within this ranking, sort by any column, or export the full list. Built from NCES and state data for 2024-25.

Schools ranked
3,124
Illinois
Top Students/teacher
49.9:1
Median Students/teacher
13.4:1
HIGHEST RATIO · ILLINOIS
#SchoolCityDistrictLevelStudentsRatio
1Montessori of Englewood Chtr ESChicago, ILChicago Public Schools Dist 299Elementary34949.9:1
2Mt Carmel Grade SchoolMount Carmel, ILWabash CUSD 348Elementary37048.4:1
3Jackson Charter SchoolRockford, ILRockford SD 205Elementary24345.0:1
4CICS - Basil CampusChicago, ILChicago Public Schools Dist 299Elementary54141.6:1
5Horace Mann ELCRock Island, ILRock Island SD 41Elementary38738.7:1
6YCCS-Sullivan House Alt HSChicago, ILChicago Public Schools Dist 299High28135.1:1
7Early ChildhoodGodfrey, ILAlton CUSD 11Elementary26733.4:1
8YCCS-Innovations of Arts IntegrChicago, ILChicago Public Schools Dist 299High39232.7:1
9Burr Oak Elem SchoolCalumet Park, ILCalumet Public SD 132Elementary29032.2:1
10Galapagos Rockford Charter SchRockford, ILRockford SD 205Elementary38432.0:1
11West Aurora Learning Center/ELAAurora, ILAurora West USD 129Elementary50531.6:1
12Proegler SchoolKankakee, ILKankakee SD 111Elementary46631.1:1
13Robertson Charter SchoolDecatur, ILDecatur SD 61Elementary32729.7:1
14Legacy Acad of Excellence CharterRockford, ILRockford SD 205Elementary23429.3:1
15Highlands Elem SchoolHazel Crest, ILPrairie-Hills ESD 144Elementary31128.3:1
16CICS - Avalon/South ShoreChicago, ILChicago Public Schools Dist 299Elementary46927.6:1
17The Early YearsJacksonville, ILJacksonville SD 117Elementary24727.4:1
18CICS - Washington Pk CampusChicago, ILChicago Public Schools Dist 299Elementary49327.4:1
19Early ChildhoodQuincy, ILQuincy SD 172Elementary43427.1:1
20Pershing Early Learning CenterDecatur, ILDecatur SD 61Elementary41626.0:1
21Prairie-Hills Junior High SchoolMarkham, ILPrairie-Hills ESD 144Middle76625.5:1
22Medgar Evers Primary Acadmc CntrFord Heights, ILFord Heights SD 169Elementary30625.5:1
23Wm Nashold Early Childhood CenterRockford, ILRockford SD 205Elementary53025.2:1
24Bartlett Elem SchoolBartlett, ILSD U-46Elementary61324.9:1
25Caroline Sibley Elem SchoolCalumet City, ILDolton SD 149Elementary43424.8:1
26Rickover Jr High SchoolSauk Village, ILCCSD 168Middle37124.7:1
27CICS - Ralph Ellison CampusChicago, ILChicago Public Schools Dist 299High24724.7:1
28District 99 Early Childhood CtrCicero, ILCicero SD 99Elementary23224.4:1
29T E Culbertson Elem SchoolJoliet, ILJoliet PSD 86Elementary37724.3:1
30CICS - Prairie CampusChicago, ILChicago Public Schools Dist 299Elementary41224.2:1
31Markham Park Elem SchoolMarkham, ILPrairie-Hills ESD 144Elementary29223.4:1
32Champaign Early Chldhd CntrChampaign, ILChampaign CUSD 4Elementary28823.0:1
33North Lawndale Prep Chtr-CollinsChicago, ILChicago Public Schools Dist 299High27623.0:1
34Summerdale Early Childhood CenterRockford, ILRockford SD 205Elementary46023.0:1
35Polaris Elem Charter AcademyChicago, ILChicago Public Schools Dist 299Elementary34322.9:1
36Westville Jr High SchoolWestville, ILWestville CUSD 2Middle20522.8:1
37Calumet Elem SchoolCalumet Park, ILCalumet Public SD 132Middle31622.6:1
38Fairview Early Childhood CenterRockford, ILRockford SD 205Elementary53822.4:1
39Yorkville Early Childhood CenterYorkville, ILYorkville CUSD 115Elementary24422.2:1
40District 158 Early Childhood CtrLk In The Hls, ILHuntley Comm Sch Dist 158Elementary24222.0:1
41Univ of Chicago Chtr-DonoghueChicago, ILChicago Public Schools Dist 299Elementary49921.7:1
42Sarah A Raymond Sch of Early EducBloomington, ILBloomington SD 87Elementary26021.7:1
43Spencer TrailNew Lenox, ILNew Lenox SD 122Elementary36721.6:1
44Spencer CrossingNew Lenox, ILNew Lenox SD 122Middle54421.6:1
45North Lawndale Prep Chtr - ChristChicago, ILChicago Public Schools Dist 299High25821.5:1
46Art in Motion Charter SchoolChicago, ILChicago Public Schools Dist 299High60221.5:1
47Lalumier Elem SchoolCentreville, ILCahokia CUSD 187Elementary27621.4:1
48Richwoods High SchoolPeoria, ILPeoria SD 150High1,68521.2:1
49North Ridge Middle SchoolDanville, ILDanville CCSD 118Middle74021.1:1
50Black Hawk Elem SchoolGlendale Hts, ILMarquardt SD 15Elementary57621.1:1
Page 1 of 50 · top 2,500 of 3,124 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.