ILHighVerified for 2025-26
Alton High School — School Profile & District Info
High|Alton, Illinois|Alton CUSD 11|Last audited: Not yet synced
Alton, IL 62002
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School Profile
Grades
9–12
Enrollment
1,909
Student:Teacher
17.5:1
Locale
Suburban
District
Alton CUSD 11Econ. Disadvantaged
-0.1%
Phone
(618)474-2700School Statistics
Academics (SY 2020-21)
ELA Proficiency
25%
36th percentile in IL
Math Proficiency
20%
39th percentile in IL
Chronic Absenteeism
19.9%
SY 2019-20
Programs & Activities (SY 2021-22)
AP Program
27 courses offered
Gifted & Talented
Dual Enrollment
Athletics
0Student-Teacher Ratio: 15.4:1
Worse than average in ILDistrict Finance (FY 2023)
Per-Pupil Spending
$16,310
District-level data
Funding Sources
Federal 16%State 40%Local 44%
Community Context
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Enrollment Trend (2014-2025)
1,823
Current enrollment
Stable(-10% 5yr)Full School Calendar 2025-26
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Frequently Asked Questions about Alton High School
Enrollment at Alton High School stands at 1,909 students. The school is a High institution in the local district.