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Public School Review - Established 2003

Public Schools Student-Teacher Ratio Statistics in Illinois

The average student-teacher ratio in Illinois public schools is approximately 14:1 (2026).
Student-Teacher Ratio Range: 1:1 6:1 Avg. Student-Teacher Ratio: 5:1

Public Schools Student-Teacher Ratio Statistics in Illinois (2026)

School
(Math and Reading Proficiency)
Student-Teacher Ratio
Grades
Location
Rank: #1 - 21. - 2.
Milford Grade School East Campus
Student-Teacher Ratio: 1:1
Grades: PK
150 S Randolph St
Sheldon, IL 60966
(815) 889-5176
Rank: #1 - 21. - 2.
Roosevelt Center
Student-Teacher Ratio: 1:1
Grades: 9-12
978 Haskell Ave
Rockford, IL 61103
(815) 966-3251
Rank: #3 - 63. - 6.
Douglass Academy High School
(Math: <50% | Reading: <50%)
Rank:
9/
10
Top 20%
Student-Teacher Ratio: 2:1
Grades: 9-12
543 N Waller Ave
Chicago, IL 60644
(773) 534-6176
Rank: #3 - 63. - 6.
Il Youth Center - Pere Marquette
Alternative School
Student-Teacher Ratio: 2:1
Grades: 8-12
17808 State Highway 100 W
Grafton, IL 62037
(618) 786-2371
Rank: #3 - 63. - 6.
Primary Learning Center
Student-Teacher Ratio: 2:1
Grades: PK
3215 W 162nd St
Markham, IL 60428
(708) 331-3364
Rank: #3 - 63. - 6.
Rudolph Elementary Learning Center
Student-Teacher Ratio: 2:1
Grades: PK-8
1628 W Washington Blvd
Chicago, IL 60612
(773) 534-7460
Rank: #7 - 127. - 12.
Alcott College Prep
(Math: 10-14% | Reading: ≤10%)
Rank:
3/
10
Bottom 50%
Student-Teacher Ratio: 4:1
Grades: 9-12
2957 N Hoyne Ave
Chicago, IL 60618
(773) 534-5970
Rank: #7 - 127. - 12.
Illinois Youth Center-warrenville
Alternative School
Student-Teacher Ratio: 4:1
Grades: 8-12
30w200 Ferry Rd
Naperville, IL 60563
(630) 983-6231
Rank: #7 - 127. - 12.
Ohio Community High School
(Math: ≥50% | Reading: <50%)
Rank:
9/
10
Top 20%
Student-Teacher Ratio: 4:1
Grades: 9-12
103 Memorial Street
Ohio, IL 61349
(815) 376-2934
Rank: #7 - 127. - 12.
School District 428 Iyc-hrb
Alternative School
(Math: <50% | Reading: <50%)
Rank:
9/
10
Top 20%
Student-Teacher Ratio: 4:1
Grades: 7-12
1201 W Poplar St
Harrisburg, IL 62946
(618) 252-8681
Rank: #7 - 127. - 12.
Spry Community Links High School
(Math: <50% | Reading: ≤20%)
Rank:
7/
10
Top 50%
Student-Teacher Ratio: 4:1
Grades: 9-12
2400 S Marshall Blvd
Chicago, IL 60623
(773) 534-1997
Rank: #7 - 127. - 12.
Ybmc Charter School
Charter School
(Math: <50% | Reading: <50%)
Rank:
9/
10
Top 20%
Student-Teacher Ratio: 4:1
Grades: 11-12
360 Wylie Dr Ste 305
Normal, IL 61761
(309) 454-3898
Rank: #13 - 1913. - 19.
Brussels High School
(Math: 21-39% | Reading: 21-39%)
Rank:
7/
10
Top 50%
Student-Teacher Ratio: 5:1
Grades: 7-12
128 School St
Brussels, IL 62013
(618) 883-2131
Rank: #13 - 1913. - 19.
Iyc Chicago
Alternative School
(Math: <50% | Reading: <50%)
Rank:
9/
10
Top 20%
Student-Teacher Ratio: 5:1
Grades: 6-12
136 N Western Ave
Chicago, IL 60612
(312) 633-5219
Rank: #13 - 1913. - 19.
Meredosia-chambersburg High School
(Math: <50% | Reading: <50%)
Rank:
9/
10
Top 20%
Student-Teacher Ratio: 5:1
Grades: 9-12
830 Main St
Meredosia, IL 62665
(217) 584-1744
Rank: #13 - 1913. - 19.
Ogden Int High School
(Math: 20-24% | Reading: 15-19%)
Rank:
5/
10
Bottom 50%
Student-Teacher Ratio: 5:1
Grades: 9-12
1250 W Erie St
Chicago, IL 60642
(773) 534-0866
Rank: #13 - 1913. - 19.
Plamondon Elementary School
(Math: 6-9% | Reading: 20-24%)
Rank:
3/
10
Bottom 50%
Student-Teacher Ratio: 5:1
Grades: K-8
2642 W 15th Pl
Chicago, IL 60608
(773) 534-1789
Rank: #13 - 1913. - 19.
Raby High School
(Math: ≤20% | Reading: ≤10%)
Rank:
3/
10
Bottom 50%
Student-Teacher Ratio: 5:1
Grades: 9-12
3545 W Fulton Blvd
Chicago, IL 60624
(773) 534-6755
Rank: #13 - 1913. - 19.
Williams Medical Prep High School
(Math: ≤20% | Reading: ≤20%)
Rank:
4/
10
Bottom 50%
Student-Teacher Ratio: 5:1
Grades: 9-12
4934 S Wabash Ave
Chicago, IL 60615
(773) 535-1120
Rank: #20 - 4020. - 40.
Blair Early Childhood Center
Student-Teacher Ratio: 6:1
Grades: PK-1
6751 W 63rd Pl
Chicago, IL 60638
(773) 535-2076
Rank: #20 - 4020. - 40.
Bronzeville Scholastic High School
(Math: <50% | Reading: <50%)
Rank:
9/
10
Top 20%
Student-Teacher Ratio: 6:1
Grades: 9-12
4934 S Wabash Ave
Chicago, IL 60615
(773) 535-1150
Rank: #20 - 4020. - 40.
Butler Junior High School
(Math: 65-69% | Reading: 65-69%)
Rank:
10/
10
Top 5%
Student-Teacher Ratio: 6:1
Grades: 6-8
2801 York Rd
Oak Brook, IL 60523
(630) 573-2760
Rank: #20 - 4020. - 40.
Crescent City Grade School
(Math: 20-29% | Reading: 11-19%)
Rank:
4/
10
Bottom 50%
Student-Teacher Ratio: 6:1
Grades: K-5
600 South St
Crescent City, IL 60928
(815) 683-2141
Rank: #20 - 4020. - 40.
Dalzell Grade School
(Math: 20-29% | Reading: 40-49%)
Rank:
7/
10
Top 50%
Student-Teacher Ratio: 6:1
Grades: PK-8
307 Chestnut St
Dalzell, IL 61320
(815) 663-8821
Rank: #20 - 4020. - 40.
Deer Park C C Elementary School
(Math: 21-39% | Reading: 20-29%)
Rank:
6/
10
Top 50%
Student-Teacher Ratio: 6:1
Grades: K-8
2350 E 1025th Rd
Ottawa, IL 61350
(815) 434-6930
Rank: #20 - 4020. - 40.
Deland-weldon High School
(Math: <50% | Reading: <50%)
Rank:
9/
10
Top 20%
Student-Teacher Ratio: 6:1
Grades: 9-12
304 E Il Route 10
De Land, IL 61839
(309) 928-7691
Rank: #20 - 4020. - 40.
Elizabeth Graham Elementary School
(Math: 6-9% | Reading: 10-14%)
Rank:
2/
10
Bottom 50%
Student-Teacher Ratio: 6:1
Grades: K-5
900 W Edwards St
Springfield, IL 62704
(217) 525-3220
Rank: #20 - 4020. - 40.
Eswood C C Grade School
(Math: 20-29% | Reading: 20-29%)
Rank:
6/
10
Top 50%
Student-Teacher Ratio: 6:1
Grades: K-8
304 Main St
Lindenwood, IL 61049
(815) 393-4477
Rank: #20 - 4020. - 40.
Everett Elementary School
(Math: 30-39% | Reading: 40-49%)
Rank:
8/
10
Top 30%
Student-Teacher Ratio: 6:1
Grades: PK-5
3419 S Bell Ave
Chicago, IL 60608
(773) 535-4550
Rank: #20 - 4020. - 40.
Frazier Perspectives Magnet Elementary School
Magnet School
(Math: ≤5% | Reading: 10-14%)
Rank:
2/
10
Bottom 50%
Student-Teacher Ratio: 6:1
Grades: K-8
4027 W Grenshaw St
Chicago, IL 60624
(773) 534-6880
Rank: #20 - 4020. - 40.
Hutsonville High School
(Math: ≤20% | Reading: 21-39%)
Rank:
6/
10
Top 50%
Student-Teacher Ratio: 6:1
Grades: 9-12
500 W Clover St
Hutsonville, IL 62433
(618) 563-4913
Rank: #20 - 4020. - 40.
Kansas High School
(Math: 11-19% | Reading: 20-29%)
Rank:
4/
10
Bottom 50%
Student-Teacher Ratio: 6:1
Grades: 7-12
310 S Front
Kansas, IL 61933
(217) 948-5175
Rank: #20 - 4020. - 40.
Ludlow Elementary School
(Math: 11-19% | Reading: ≤10%)
Rank:
3/
10
Bottom 50%
Student-Teacher Ratio: 6:1
Grades: K-8
245 S Orange St
Ludlow, IL 60949
(217) 396-5261
Rank: #20 - 4020. - 40.
Marycrest Early Childhood Center
Student-Teacher Ratio: 6:1
Grades: PK
303 Purdue Ct
Joliet, IL 60436
(815) 725-1100
Rank: #20 - 4020. - 40.
Mt Carmel Junior High School
(Math: 7% | Reading: 30-34%)
Rank:
4/
10
Bottom 50%
Student-Teacher Ratio: 6:1
Grades: 7-8
201 N Pear St
Mount Carmel, IL 62863
(618) 262-8886
Show 100 more public schools in IL (out of 3,791 total schools)
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Frequently Asked Questions

What is the Illinois average public schools student-teacher ratio?
The Illinois average public schools student-teacher ratio is 14:1 for 2026.
What are the public schools with the lowest student-teacher ratio in Illinois?
The best top-ranked public schools in Illinois include Milford Grade School East Campus, Roosevelt Center and Douglass Academy High School.
What is public high school and public elementary school with the lowest student-teacher ratio in Illinois?
The public high school with the lowest student-teacher ratio in Illinois is Roosevelt Center, with a value of 1:1. The public elementary school with the lowest student-teacher ratio is Rudolph Elementary Learning Center, with a value of 2:1.

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