For the 2025-26 school year, there are 3 public high schools serving 1,909 students in Alton, IL.
The top ranked public high schools in Alton, IL are Journeys School, Alton High School and Mark Twain. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Alton, IL public high schools have an average math proficiency score of 21% (versus the Illinois public high school average of 26%), and reading proficiency score of 22% (versus the 29% statewide average). High schools in Alton have an average ranking of 5/10, which is in the bottom 50% of Illinois public high schools.
Alton, IL public high school have a Graduation Rate of 76%, which is less than the Illinois average of 87%.
The school with highest graduation rate is Alton High School, with 76% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.
Minority enrollment is 45% of the student body (majority Black), which is less than the Illinois public high school average of 55% (majority Hispanic).
Best Public High Schools in Alton, IL (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Journeys School
Special Education School
(Math: <50% | Reading: <50% )
Rank:
Rank:
10/
Top 10%10
28968 Delhi Rd
Alton, IL 62002
(618) 208-7490
Alton, IL 62002
(618) 208-7490
Gr: 7-12
Rank: #22.
Alton High School
(Math: 21% | Reading: 22%)
Rank:
Rank:
5/
Bottom 50%10
4200 Humbert Rd
Alton, IL 62002
(618) 474-2700
Alton, IL 62002
(618) 474-2700
Gr: 9-12 | 1,909 student Student-teacher ratio: 18:1 Minority enrollment: 45%
Rank: #33.
Mark Twain
Alternative School
(Math: ≤20% | Reading: ≤20% )
Rank:
Rank:
5/
Bottom 50%10
907 Milton Rd
Alton, IL 62002
(618) 463-2063
Alton, IL 62002
(618) 463-2063
Gr: K-12
Alton, Illinois Public Schools (Closed)
School
Location
Quick Facts
Center For Ed Oppor (Closed 2009)
Alternative School
1020 Main St
Alton, IL 62002
(618) 465-4415
Alton, IL 62002
(618) 465-4415
Gr: 6-12 | 29 students Student-teacher ratio: 15:1 Minority enrollment: 38%
2708 Edwards St
Alton, IL 62002
(618) 463-2070
Alton, IL 62002
(618) 463-2070
Gr: 2-9 | 394 students Student-teacher ratio: 14:1 Minority enrollment: 48%
J B Johnson Career Development (Closed 2006)
Vocational School
4200 Humbert Rd
Alton, IL 62002
(618) 463-2153
Alton, IL 62002
(618) 463-2153
1043 Tremont St
Alton, IL 62002
(618) 463-2157
Alton, IL 62002
(618) 463-2157
Gr: K-2 | 372 students Student-teacher ratio: 14:1 Minority enrollment: 42%
Madison County Education Therapy Pgm (Closed 2023)
Special Education School
1020 State St
Alton, IL 62002
(618) 465-4451
Alton, IL 62002
(618) 465-4451
Gr: 5-12 | 40 students Student-teacher ratio: 5:1 Minority enrollment: 30%
907 Milton Rd
Alton, IL 62002
(618) 463-2083
Alton, IL 62002
(618) 463-2083
Gr: K-2 | 277 students Student-teacher ratio: 15:1 Minority enrollment: 50%
Frequently Asked Questions
What are the top ranked public high schools in Alton, IL?
The top ranked public high schools in Alton, IL include Journeys School, Alton High School and Mark Twain.
How many public high schools are located in Alton?
3 public high schools are located in Alton.
What is the racial composition of students in Alton?
Alton public high schools minority enrollment is 45% of the student body (majority Black), which is less than the Illinois public high schools average of 55% (majority Hispanic).
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