B−
Alton High School
PublicHighGrades 9–12
4200 Humbert Rd, Alton, IL 62002 · (618) 474-2700 · Part of Alton Community Unit School District 11
Students
1,823
Students per teacher
18:1
Free or reduced lunch
43%
Setting
Suburb
Grades
9–12
What stands out about Alton High School
- Math proficiency 6 pts below the state
- Reading / language arts 6 pts below the state
- Enrollment down 9.9% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency20%
State average 25.9%
Reading / language arts25%
State average 30.7%
Location
Directions ↗
4200 Humbert Rd, Alton
Students
Enrollment by grade
Grade 9416
Grade 10482
Grade 11446
Grade 12479
Enrollment over time
2,023’20
2,044’21
1,990’22
1,909’23
1,823’24
Down 9.9% since 2020.
Who goes here
White 54%Black 28%Two or more races 11%Hispanic 6%Asian <1%American Indian/Alaska Native <1%Native Hawaiian/Pacific Islander <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Alton High School.
Other schools in Alton Community Unit School District 11
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.