For the 2025 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 28%), 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 72%, which is less than the Illinois average of 87%.
The school with highest graduation rate is Alton High School, with 72% 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)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
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
Grades: 7-12
| n/a students
Rank: #22.
Alton High School
Rank:
5/
Bottom 50%10
4200 Humbert Rd
Alton, IL 62002
(618) 474-2700
Alton, IL 62002
(618) 474-2700
Grades: 9-12
| 1,909 students
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
Grades: K-12
| n/a students
Alton, Illinois Public Schools (Closed)
School
Location
Grades
Students
Center For Ed Oppor (Closed 2009)
Alternative School
1020 Main St
Alton, IL 62002
(618) 465-4415
Alton, IL 62002
(618) 465-4415
Grades: 6-12
| 29 students
2708 Edwards St
Alton, IL 62002
(618) 463-2070
Alton, IL 62002
(618) 463-2070
Grades: 2-9
| 394 students
J B Johnson Career Development (Closed 2006)
Vocational School
4200 Humbert Rd
Alton, IL 62002
(618) 463-2153
Alton, IL 62002
(618) 463-2153
Grades: n/a
| n/a students
1043 Tremont St
Alton, IL 62002
(618) 463-2157
Alton, IL 62002
(618) 463-2157
Grades: K-2
| 372 students
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
Grades: 5-12
| 40 students
907 Milton Rd
Alton, IL 62002
(618) 463-2083
Alton, IL 62002
(618) 463-2083
Grades: K-2
| 277 students
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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