The average student:teacher ratio in Illinois public high schools is approximately 15:1 (2024-25).
Student:Teacher Ratio Range: 1:1
8:1
Avg. Student:Teacher Ratio: 6:1
Public High Schools Student:Teacher Ratio Statistics in Illinois (2024-25)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Student: Teacher Ratio
Grades
Location
Rank: #1 - 21. - 2.
Student : Teacher Ratio: 1:1
Grades: 12
412 E Cypress St
Normal, IL 61761
(309) 557-4440
Normal, IL 61761
(309) 557-4440
Rank: #1 - 21. - 2.
Il Youth Center - Pere Marquette
Alternative School
Student : Teacher Ratio: 1:1
Grades: 8-12
17808 State Highway 100 W
Grafton, IL 62037
(618) 786-2371
Grafton, IL 62037
(618) 786-2371
Rank: #3 - 43. - 4.
Iyc Chicago
Alternative School
(Reading: <50%)
Student : Teacher Ratio: 2:1
Grades: 6-12
136 N Western Ave
Chicago, IL 60612
(312) 633-5219
Chicago, IL 60612
(312) 633-5219
Rank: #3 - 43. - 4.
Roosevelt Center
(Math: ≤5%)
Student : Teacher Ratio: 2:1
Grades: 9-12
978 Haskell Ave
Rockford, IL 61103
(815) 966-3251
Rockford, IL 61103
(815) 966-3251
Rank: #55.
School District 428 Iyc-hrb
Alternative School
(Reading: <50%)
Student : Teacher Ratio: 3:1
Grades: 7-12
1201 W Poplar St
Harrisburg, IL 62946
(618) 252-8681
Harrisburg, IL 62946
(618) 252-8681
Rank: #6 - 96. - 9.
Douglass Academy High School
(Math: <50% | Reading: <50%)
Rank:
Rank:
10/
Top 10%10
Student : Teacher Ratio: 4:1
Grades: 9-12
543 N Waller Ave
Chicago, IL 60644
(773) 534-6176
Chicago, IL 60644
(773) 534-6176
Rank: #6 - 96. - 9.
Illinois Youth Center-warrenville
Alternative School
Student : Teacher Ratio: 4:1
Grades: 8-12
30w200 Ferry Rd
Naperville, IL 60563
(630) 983-6231
Naperville, IL 60563
(630) 983-6231
Rank: #6 - 96. - 9.
Illinois Youth Ctr - St Charles
Alternative School
Student : Teacher Ratio: 4:1
Grades: 8-12
3825 Campton Hills Dr
Saint Charles, IL 60175
(630) 584-0506
Saint Charles, IL 60175
(630) 584-0506
Rank: #6 - 96. - 9.
Spry Community Links High School
(Math: ≤10% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
Student : Teacher Ratio: 4:1
Grades: 9-12
2400 S Marshall Blvd
Chicago, IL 60623
(773) 534-1997
Chicago, IL 60623
(773) 534-1997
Rank: #10 - 1310. - 13.
Alcott College Prep
(Math: 10-14% | Reading: ≤10%)
Rank:
Rank:
3/
Bottom 50%10
Student : Teacher Ratio: 5:1
Grades: 9-12
2957 N Hoyne Ave
Chicago, IL 60618
(773) 534-5970
Chicago, IL 60618
(773) 534-5970
Rank: #10 - 1310. - 13.
Ogden Int High School
(Math: 10-14% | Reading: 15-19%)
Rank:
Rank:
4/
Bottom 50%10
Student : Teacher Ratio: 5:1
Grades: 9-12
1250 W Erie St
Chicago, IL 60642
(773) 534-0866
Chicago, IL 60642
(773) 534-0866
Rank: #10 - 1310. - 13.
Ohio Community High School
(Reading: <50%)
Student : Teacher Ratio: 5:1
Grades: 9-12
Po Box 478
Ohio, IL 61349
(815) 376-2934
Ohio, IL 61349
(815) 376-2934
Rank: #10 - 1310. - 13.
Uplift Community High School
(Math: <50% | Reading: <50%)
Rank:
Rank:
10/
Top 10%10
Student : Teacher Ratio: 5:1
Grades: 9-12
900 W Wilson Ave
Chicago, IL 60640
(773) 534-2875
Chicago, IL 60640
(773) 534-2875
Rank: #14 - 1814. - 18.
Earlville Jr/sr High School
(Math: 20-29% | Reading: ≤20%)
Rank:
Rank:
5/
Bottom 50%10
Student : Teacher Ratio: 6:1
Grades: 9-12
Po Box 539
Earlville, IL 60518
(815) 246-8361
Earlville, IL 60518
(815) 246-8361
Rank: #14 - 1814. - 18.
La Moille Jr/sr High School
(Math: ≤20% | Reading: ≤10%)
Rank:
Rank:
3/
Bottom 50%10
Student : Teacher Ratio: 6:1
Grades: 7-12
801 S Main St
La Moille, IL 61330
(815) 638-2018
La Moille, IL 61330
(815) 638-2018
Rank: #14 - 1814. - 18.
Northwestern High School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
5/
Bottom 50%10
Student : Teacher Ratio: 6:1
Grades: 7-12
30889 Route 111
Palmyra, IL 62674
(217) 436-2011
Palmyra, IL 62674
(217) 436-2011
Rank: #14 - 1814. - 18.
Oakland High School
(Math: ≤20% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Student : Teacher Ratio: 6:1
Grades: 9-12
310 Teeter St
Oakland, IL 61943
(217) 346-2118
Oakland, IL 61943
(217) 346-2118
Rank: #14 - 1814. - 18.
Williams Medical Prep High School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
5/
Bottom 50%10
Student : Teacher Ratio: 6:1
Grades: 9-12
4934 S Wabash Ave
Chicago, IL 60615
(773) 535-1120
Chicago, IL 60615
(773) 535-1120
Rank: #19 - 3019. - 30.
A-c Central High School
(Math: ≤10% | Reading: 21-39%)
Rank:
Rank:
4/
Bottom 50%10
Student : Teacher Ratio: 7:1
Grades: 9-12
Po Box 260
Ashland, IL 62612
(217) 476-3312
Ashland, IL 62612
(217) 476-3312
Rank: #19 - 3019. - 30.
Air Force Academy High School
(Math: 11-19% | Reading: 11-19%)
Rank:
Rank:
3/
Bottom 50%10
Student : Teacher Ratio: 7:1
Grades: 9-12
3630 S Wells St
Chicago, IL 60609
(773) 535-1590
Chicago, IL 60609
(773) 535-1590
Rank: #19 - 3019. - 30.
Astoria High School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
5/
Bottom 50%10
Student : Teacher Ratio: 7:1
Grades: 9-12
402 N Jefferson St
Astoria, IL 61501
(309) 329-2156
Astoria, IL 61501
(309) 329-2156
Rank: #19 - 3019. - 30.
Bluffs High School
(Math: ≤20% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Student : Teacher Ratio: 7:1
Grades: 9-12
100 W Rockwood St
Bluffs, IL 62621
(217) 754-3815
Bluffs, IL 62621
(217) 754-3815
Rank: #19 - 3019. - 30.
Bronzeville Scholastic High School
(Math: ≤20% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Student : Teacher Ratio: 7:1
Grades: 9-12
4934 S Wabash Ave
Chicago, IL 60615
(773) 535-1150
Chicago, IL 60615
(773) 535-1150
Rank: #19 - 3019. - 30.
Brussels High School
(Math: 21-39% | Reading: 21-39%)
Rank:
Rank:
7/
Top 50%10
Student : Teacher Ratio: 7:1
Grades: 7-12
Po Box 128
Brussels, IL 62013
(618) 883-2131
Brussels, IL 62013
(618) 883-2131
Rank: #19 - 3019. - 30.
Deland-weldon High School
(Math: <50% | Reading: <50%)
Rank:
Rank:
10/
Top 10%10
Student : Teacher Ratio: 7:1
Grades: 9-12
304 E Il Route 10
De Land, IL 61839
(217) 664-3314
De Land, IL 61839
(217) 664-3314
Rank: #19 - 3019. - 30.
Flanagan-cornell High School
(Math: 11-19% | Reading: ≤20%)
Rank:
Rank:
4/
Bottom 50%10
Student : Teacher Ratio: 7:1
Grades: 9-12
202 E Falcon Hwy
Flanagan, IL 61740
(815) 796-2291
Flanagan, IL 61740
(815) 796-2291
Rank: #19 - 3019. - 30.
Hartsburg-emden Jr-sr High School
(Math: 11-19% | Reading: 20-29%)
Rank:
Rank:
5/
Bottom 50%10
Student : Teacher Ratio: 7:1
Grades: 6-12
400 W Front St
Hartsburg, IL 62643
(217) 642-5244
Hartsburg, IL 62643
(217) 642-5244
Rank: #19 - 3019. - 30.
Meredosia-chambersburg High School
(Math: <50% | Reading: <50%)
Rank:
Rank:
10/
Top 10%10
Student : Teacher Ratio: 7:1
Grades: 9-12
830 Main St
Meredosia, IL 62665
(217) 584-1744
Meredosia, IL 62665
(217) 584-1744
Rank: #19 - 3019. - 30.
Scales Mound High School
(Math: 21-39% | Reading: 21-39%)
Rank:
Rank:
7/
Top 50%10
Student : Teacher Ratio: 7:1
Grades: 9-12
210 Main St
Scales Mound, IL 61075
(815) 845-2215
Scales Mound, IL 61075
(815) 845-2215
Rank: #19 - 3019. - 30.
Tri-point High School
(Math: 11-19% | Reading: 11-19%)
Rank:
Rank:
3/
Bottom 50%10
Student : Teacher Ratio: 7:1
Grades: 9-12
Po Box 316
Cullom, IL 60929
(815) 689-2110
Cullom, IL 60929
(815) 689-2110
Rank: #31 - 4731. - 47.
Bushnell-prairie City High School
(Math: ≤10% | Reading: ≤10%)
Rank:
Rank:
2/
Bottom 50%10
Student : Teacher Ratio: 8:1
Grades: 9-12
845 Walnut St
Bushnell, IL 61422
(309) 772-2113
Bushnell, IL 61422
(309) 772-2113
Rank: #31 - 4731. - 47.
Cisne High School
(Math: ≤20% | Reading: 11-19%)
Rank:
Rank:
4/
Bottom 50%10
Student : Teacher Ratio: 8:1
Grades: 9-12
1456 Us Highway 45
Cisne, IL 62823
(618) 673-2154
Cisne, IL 62823
(618) 673-2154
Rank: #31 - 4731. - 47.
Cissna Park Sr High School
(Math: <50% | Reading: ≤20%)
Rank:
Rank:
7/
Top 50%10
Student : Teacher Ratio: 8:1
Grades: 9-12
511 N 2nd St
Cissna Park, IL 60924
(815) 457-2171
Cissna Park, IL 60924
(815) 457-2171
Rank: #31 - 4731. - 47.
Depue High School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
5/
Bottom 50%10
Student : Teacher Ratio: 8:1
Grades: 9-12
Po Box 800
Depue, IL 61322
(815) 447-2121
Depue, IL 61322
(815) 447-2121
Rank: #31 - 4731. - 47.
Erie High School
(Math: 30-39% | Reading: 30-39%)
Rank:
Rank:
8/
Top 30%10
Student : Teacher Ratio: 8:1
Grades: 9-12
435 6th Ave
Erie, IL 61250
(309) 659-2239
Erie, IL 61250
(309) 659-2239
Show 100 more public schools in IL (out of 705 total schools)
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Frequently Asked Questions
What is the Illinois average public high schools student:teacher ratio?
The Illinois average public high schools student:teacher ratio is 15:1 for 2024-25.
What are the public high schools with the lowest student:teacher ratio in Illinois?
The best top ranked public high schools in Illinois include Eugene Field School, Il Youth Center - Pere Marquette and Iyc Chicago.
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