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allk12 · Rankings · Highest ratio · Illinois · Cook County

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

1,130 public schools in Cook County, 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 13.2:1 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
1,130
Cook County, Illinois
Top Students/teacher
49.9:1
Median Students/teacher
13.2:1
HIGHEST RATIO · COOK COUNTY, ILLINOIS
#SchoolCityDistrictLevelStudentsRatio
1Montessori of Englewood Chtr ESChicago, ILChicago Public Schools Dist 299Elementary34949.9:1
2CICS - Basil CampusChicago, ILChicago Public Schools Dist 299Elementary54141.6:1
3YCCS-Sullivan House Alt HSChicago, ILChicago Public Schools Dist 299High28135.1:1
4YCCS-Innovations of Arts IntegrChicago, ILChicago Public Schools Dist 299High39232.7:1
5Burr Oak Elem SchoolCalumet Park, ILCalumet Public SD 132Elementary29032.2:1
6Highlands Elem SchoolHazel Crest, ILPrairie-Hills ESD 144Elementary31128.3:1
7CICS - Avalon/South ShoreChicago, ILChicago Public Schools Dist 299Elementary46927.6:1
8CICS - Washington Pk CampusChicago, ILChicago Public Schools Dist 299Elementary49327.4:1
9Prairie-Hills Junior High SchoolMarkham, ILPrairie-Hills ESD 144Middle76625.5:1
10Medgar Evers Primary Acadmc CntrFord Heights, ILFord Heights SD 169Elementary30625.5:1
11Bartlett Elem SchoolBartlett, ILSD U-46Elementary61324.9:1
12Caroline Sibley Elem SchoolCalumet City, ILDolton SD 149Elementary43424.8:1
13Rickover Jr High SchoolSauk Village, ILCCSD 168Middle37124.7:1
14CICS - Ralph Ellison CampusChicago, ILChicago Public Schools Dist 299High24724.7:1
15District 99 Early Childhood CtrCicero, ILCicero SD 99Elementary23224.4:1
16CICS - Prairie CampusChicago, ILChicago Public Schools Dist 299Elementary41224.2:1
17Markham Park Elem SchoolMarkham, ILPrairie-Hills ESD 144Elementary29223.4:1
18North Lawndale Prep Chtr-CollinsChicago, ILChicago Public Schools Dist 299High27623.0:1
19Polaris Elem Charter AcademyChicago, ILChicago Public Schools Dist 299Elementary34322.9:1
20Calumet Elem SchoolCalumet Park, ILCalumet Public SD 132Middle31622.6:1
21Univ of Chicago Chtr-DonoghueChicago, ILChicago Public Schools Dist 299Elementary49921.7:1
22North Lawndale Prep Chtr - ChristChicago, ILChicago Public Schools Dist 299High25821.5:1
23Art in Motion Charter SchoolChicago, ILChicago Public Schools Dist 299High60221.5:1
24Warren Elem SchoolChicago, ILChicago Public Schools Dist 299Elementary31721.1:1
25S T E M AcademyCalumet City, ILDolton SD 149Middle24321.1:1
26LEARN Chtr - ButlerChicago, ILChicago Public Schools Dist 299Elementary47520.6:1
27LEARN Chtr - Hunter Perkins CampChicago, ILChicago Public Schools Dist 299Elementary47220.5:1
28Creative Communications AcadCalumet City, ILDolton SD 149Middle24620.5:1
29CICS - WrightwoodChicago, ILChicago Public Schools Dist 299Elementary61420.5:1
30School of Fine ArtsCalumet City, ILDolton SD 149Middle22420.4:1
31Mae Jemison SchoolHazel Crest, ILPrairie-Hills ESD 144Elementary36819.7:1
32Meadowview SchoolCountry Club Hills, ILCountry Club Hills SD 160Elementary29319.5:1
33New Beginnings Learning AcademySouth Holland, ILDolton SD 149Elementary28819.2:1
34Chateaux SchoolHazel Crest, ILPrairie-Hills ESD 144Elementary24919.1:1
35The Early Learning CenterMt Prospect, ILComm Cons SD 59Elementary27019.1:1
36Noble St Chtr-Hansberry Prep SlvrChicago, ILChicago Public Schools Dist 299High53419.1:1
37Univ of Chicago Chtr-Nth KenwoodChicago, ILChicago Public Schools Dist 299Elementary30419.0:1
38Berger-Vandenberg Elem SchoolDolton, ILDolton SD 149Elementary26619.0:1
39Catalyst Charter-Circle Rock ESChicago, ILChicago Public Schools Dist 299Elementary51219.0:1
40Diekman Elem SchoolDolton, ILDolton SD 149Elementary22718.9:1
41Steger Primary CenterSouth Chicago Heights, ILSteger SD 194Elementary39618.9:1
42Ridge Early Childhood CenterOak Forest, ILForest Ridge SD 142Elementary24518.9:1
43Tinley Park High SchoolTinley Park, ILBremen CHSD 228High1,04218.7:1
44Skinner Elem SchoolChicago, ILChicago Public Schools Dist 299Elementary1,13918.7:1
45Acero Chtr Network - Jovita IdarChicago, ILChicago Public Schools Dist 299Elementary52818.5:1
46Acero Chtr Network - PFC TorressChicago, ILChicago Public Schools Dist 299Elementary52818.5:1
47Brookwood Middle SchoolGlenwood, ILBrookwood SD 167Middle23118.5:1
48Proviso Math and Science AcademyForest Park, ILProviso Twp HSD 209High92518.4:1
49Coolidge Elementary SchoolLansing, ILLansing SD 158Elementary67018.4:1
50J Sterling Morton East High SchCicero, ILJ S Morton HSD 201High3,39418.4:1
Page 1 of 23 · top 1,130 of 1,130 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.