The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
allk12 · Rankings · Highest ratio · Illinois · Elementary schools

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

2,035 public elementary schools in Illinois appear in this ranking of the public elementary 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 13.3:1 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
2,035
Illinois
Top Students/teacher
49.9:1
Median Students/teacher
13.3:1
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
6Early ChildhoodGodfrey, ILAlton CUSD 11Elementary26733.4:1
7Burr Oak Elem SchoolCalumet Park, ILCalumet Public SD 132Elementary29032.2:1
8Galapagos Rockford Charter SchRockford, ILRockford SD 205Elementary38432.0:1
9West Aurora Learning Center/ELAAurora, ILAurora West USD 129Elementary50531.6:1
10Proegler SchoolKankakee, ILKankakee SD 111Elementary46631.1:1
11Robertson Charter SchoolDecatur, ILDecatur SD 61Elementary32729.7:1
12Legacy Acad of Excellence CharterRockford, ILRockford SD 205Elementary23429.3:1
13Highlands Elem SchoolHazel Crest, ILPrairie-Hills ESD 144Elementary31128.3:1
14CICS - Avalon/South ShoreChicago, ILChicago Public Schools Dist 299Elementary46927.6:1
15The Early YearsJacksonville, ILJacksonville SD 117Elementary24727.4:1
16CICS - Washington Pk CampusChicago, ILChicago Public Schools Dist 299Elementary49327.4:1
17Early ChildhoodQuincy, ILQuincy SD 172Elementary43427.1:1
18Pershing Early Learning CenterDecatur, ILDecatur SD 61Elementary41626.0:1
19Medgar Evers Primary Acadmc CntrFord Heights, ILFord Heights SD 169Elementary30625.5:1
20Wm Nashold Early Childhood CenterRockford, ILRockford SD 205Elementary53025.2:1
21Bartlett Elem SchoolBartlett, ILSD U-46Elementary61324.9:1
22Caroline Sibley Elem SchoolCalumet City, ILDolton SD 149Elementary43424.8:1
23District 99 Early Childhood CtrCicero, ILCicero SD 99Elementary23224.4:1
24T E Culbertson Elem SchoolJoliet, ILJoliet PSD 86Elementary37724.3:1
25CICS - Prairie CampusChicago, ILChicago Public Schools Dist 299Elementary41224.2:1
26Markham Park Elem SchoolMarkham, ILPrairie-Hills ESD 144Elementary29223.4:1
27Champaign Early Chldhd CntrChampaign, ILChampaign CUSD 4Elementary28823.0:1
28Summerdale Early Childhood CenterRockford, ILRockford SD 205Elementary46023.0:1
29Polaris Elem Charter AcademyChicago, ILChicago Public Schools Dist 299Elementary34322.9:1
30Fairview Early Childhood CenterRockford, ILRockford SD 205Elementary53822.4:1
31Yorkville Early Childhood CenterYorkville, ILYorkville CUSD 115Elementary24422.2:1
32District 158 Early Childhood CtrLk In The Hls, ILHuntley Comm Sch Dist 158Elementary24222.0:1
33Univ of Chicago Chtr-DonoghueChicago, ILChicago Public Schools Dist 299Elementary49921.7:1
34Sarah A Raymond Sch of Early EducBloomington, ILBloomington SD 87Elementary26021.7:1
35Spencer TrailNew Lenox, ILNew Lenox SD 122Elementary36721.6:1
36Lalumier Elem SchoolCentreville, ILCahokia CUSD 187Elementary27621.4:1
37Black Hawk Elem SchoolGlendale Hts, ILMarquardt SD 15Elementary57621.1:1
38Warren Elem SchoolChicago, ILChicago Public Schools Dist 299Elementary31721.1:1
39Franklin Elementary SchoolMattoon, ILMattoon CUSD 2Elementary24321.1:1
40Ann Reid Early Childhood CenterNaperville, ILNaperville CUSD 203Elementary37520.9:1
41Clinton Elem SchoolSouth Elgin, ILSD U-46Elementary59620.7:1
42West View Elem SchoolRockford, ILRockford SD 205Elementary52120.7:1
43LEARN Chtr - ButlerChicago, ILChicago Public Schools Dist 299Elementary47520.6:1
44LEARN Chtr - Hunter Perkins CampChicago, ILChicago Public Schools Dist 299Elementary47220.5:1
45CICS - WrightwoodChicago, ILChicago Public Schools Dist 299Elementary61420.5:1
46DeKalb Early Lrng and Dev CtrDekalb, ILDeKalb CUSD 428Elementary28120.1:1
47Laverna Evans Elem SchoolO Fallon, ILO Fallon CCSD 90Elementary42120.1:1
48Taft Elementary SchoolJoliet, ILJoliet PSD 86Elementary42419.9:1
49Nicholas A Hermes Elem SchoolAurora, ILAurora East USD 131Elementary60719.9:1
50King Middle Grade SchoolKankakee, ILKankakee SD 111Elementary38519.8:1
Page 1 of 41 · top 2,035 of 2,035 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All Illinois schools →

Highest ratio rankings at a wider scope

Nationwide

Other rankings for Illinois

LargestMost diverseLowest ratioHighest proficiencyFastest growingHighest povertyLowest povertyFastest decliningLowest proficiencyMost HispanicMost BlackMost WhiteMost Asian

All ranking categories →

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.