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Alton High School

Public Grades 9-12
499th
SchoolDigger Rank ?
of 698 Illinois High Schools
Better than 29% of Illinois high schools
Summary

Alton High School is a public high school in Alton, Illinois, serving 1,909 students in grades 9-12. The school is part of the Alton CUSD 11 district, which is ranked 728 out of 811 districts in Illinois and has a 1-star rating from SchoolDigger.

Alton High School consistently underperforms compared to the state average on standardized tests, with only 36.1% of 11th-grade students proficient or better in ACT English Language Arts, compared to the state average of 51.7%, and 29.5% proficient or better in ACT Mathematics, compared to the state average of 39.3%. The school's 4-year graduation rate of 89.0% is on par with the state average, but its dropout rate of 2.4% is higher than the state average of 1.8%. Additionally, Alton High School has a significantly higher chronic absenteeism rate of 25.4%, compared to the state average of 18.2%.

Compared to nearby high schools, such as Edwardsville High School and Southwestern High School, Alton High School's academic performance and other key metrics are generally lower. However, the school's exceptional performance with homeless students, ranking 10th out of 138 Illinois high schools in 2024-2025, suggests that targeted interventions and support can lead to positive outcomes. Addressing the root causes of the school's underperformance, such as improving attendance and providing additional academic support, could be crucial in improving Alton High School's overall performance and outcomes for its students.

1,823
Students ?
18.4
Student/teacher ratio ?
$16,906
Per pupil spending ?
43.1%
Free/discounted lunch ?
 4200 Humbert Rd
       Alton, IL  62002-7117

(618) 474-2700

District: Alton CUSD 11


Feeder schools for Alton High School:

Elementary:    East Elementary School
    Eunice Smith Elementary School
    Gilson Brown Elementary School
    Lewis & Clark Elementary School
    More...
Middle:    Alton Middle School
Racial breakdown:

White:
54.1%
African American:
28.4%
Two or more races:
11.1%
more
 See top rated Illinois high schools

 Compare Alton High School to nearby high schools!
At a glance
Ranking trend: Declining — 79th percentile in 2015 → 29th in 2025
Worth a look
!Test scores below the Illinois average (32% vs 48% meeting standards)
!Graduation rate below the Illinois average (76% vs 89%)
!Dropout rate above the Illinois average (8% vs 2%)
Students meeting standards (2024-2025) ?
This school32%
District avg32%
Illinois avg48%
499th of 698
Illinois public high schools ?
Bottom 29%▼ down 50 pts since 2015
From top 21% (2015) to bottom 29% (2025)
See the entire ranking list of Illinois High Schools →
SchoolDigger rating ?
728th of 811Alton CUSD 11 among Illinois districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIllinois percentileRating
202531.8499 of 69828.5%★☆☆☆☆
202451.3295 of 69757.7%★★★☆☆
202354.3281 of 69959.8%★★★☆☆
202250.6344 of 69950.8%★★★☆☆
202148.4310 of 68854.9%★★★☆☆
201955.3284 of 70159.5%★★★☆☆
201850.0315 of 64751.3%★★★☆☆
201741.8384 of 64240.2%★★☆☆☆
201642.4370 of 64342.5%★★☆☆☆
201572.5130 of 61478.8%★★★★☆
201454.2330 of 67050.7%★★★☆☆
201338.6450 of 67032.8%★★☆☆☆
201232.7499 of 66525.0%★☆☆☆☆
201126.8508 of 65522.4%★☆☆☆☆
201051.9367 of 64342.9%★★☆☆☆
200956.8302 of 63252.2%★★★☆☆
200879.9107 of 62482.9%★★★★☆
200746.9369 of 61239.7%★★☆☆☆
200664.9215 of 59663.9%★★★☆☆
200545.3379 of 59035.8%★★☆☆☆
200453.0320 of 59245.9%★★☆☆☆
200346.2367 of 58637.4%★★☆☆☆

African American

YearAvg scoreStatewide rankIllinois percentileRating
202527.9234 of 32327.6%★☆☆☆☆
202432.0193 of 29935.5%★★☆☆☆
202340.7148 of 30150.8%★★★☆☆
202245.6129 of 29456.1%★★★☆☆
202154.184 of 28170.1%★★★★☆
201950.7109 of 29963.5%★★★☆☆
201839.1134 of 25347.0%★★☆☆☆

Disabled

YearAvg scoreStatewide rankIllinois percentileRating
202535.7293 of 49140.3%★★☆☆☆
202442.7173 of 42959.7%★★★☆☆
202333.0252 of 42841.1%★★☆☆☆

Female

YearAvg scoreStatewide rankIllinois percentileRating
202532.5487 of 68528.9%★☆☆☆☆
202447.6310 of 66453.3%★★★☆☆
202354.4281 of 65657.2%★★★☆☆
202247.2345 of 65847.6%★★☆☆☆
202153.7259 of 63959.5%★★★☆☆
201961.6228 of 66565.7%★★★☆☆
201849.0310 of 62050.0%★★★☆☆

Hispanic

YearAvg scoreStatewide rankIllinois percentileRating
202536.5227 of 36638.0%★★☆☆☆
202451.6126 of 33662.5%★★★☆☆
202338.8194 of 33341.7%★★☆☆☆
202261.498 of 33570.7%★★★★☆
202148.4124 of 31760.9%★★★☆☆
201980.045 of 31785.8%★★★★☆

Homeless

YearAvg scoreStatewide rankIllinois percentileRating
202583.210 of 13892.8%★★★★★
202472.022 of 12582.4%★★★★☆

Low Socio Economic Status

YearAvg scoreStatewide rankIllinois percentileRating
202521.8556 of 67217.3%★☆☆☆☆
202440.6352 of 63944.9%★★☆☆☆
202339.8395 of 64438.7%★★☆☆☆
202245.2325 of 62648.1%★★☆☆☆
202136.4389 of 61136.3%★★☆☆☆
201942.6357 of 63944.1%★★☆☆☆
201840.5353 of 58539.7%★★☆☆☆

Male

YearAvg scoreStatewide rankIllinois percentileRating
202530.6489 of 68528.6%★☆☆☆☆
202452.8270 of 66859.6%★★★☆☆
202351.9292 of 66856.3%★★★☆☆
202251.6299 of 66455.0%★★★☆☆
202140.4362 of 65344.6%★★☆☆☆
201946.6338 of 67549.9%★★★☆☆
201849.0316 of 61948.9%★★☆☆☆

Multi-racial

YearAvg scoreStatewide rankIllinois percentileRating
202511.7194 of 2118.1%☆☆☆☆☆
202420.5142 of 18222.0%★☆☆☆☆
202327.9108 of 16333.7%★★☆☆☆
202228.5119 of 17030.0%★★☆☆☆
202125.7112 of 16030.0%★★☆☆☆
201920.0130 of 16521.2%★☆☆☆☆
201813.5137 of 15411.0%★☆☆☆☆

Special Education

YearAvg scoreStatewide rankIllinois percentileRating
202535.8279 of 52747.1%★★☆☆☆
202442.3210 of 48256.4%★★★☆☆
202351.6159 of 47666.6%★★★☆☆
202242.0209 of 49357.6%★★★☆☆
202139.7210 of 45353.6%★★★☆☆
201941.4197 of 47358.4%★★★☆☆
201836.4203 of 37445.7%★★☆☆☆

White

YearAvg scoreStatewide rankIllinois percentileRating
202530.7400 of 56429.1%★☆☆☆☆
202455.1206 of 55462.8%★★★☆☆
202358.5200 of 55764.1%★★★☆☆
202244.6303 of 56045.9%★★☆☆☆
202143.8264 of 55352.3%★★★☆☆
201952.3219 of 55260.3%★★★☆☆
201853.8217 of 54860.4%★★★☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
Homeless (2025)93rd percentile+64 vs school
Special Education (2025)47th percentile+19 vs school
Disabled (2025)40th percentile+12 vs school
Hispanic (2025)38th percentile+9 vs school
White (2025)29th percentile~ school
Female (2025)29th percentile~ school
Male (2025)29th percentile~ school
African American (2025)28th percentile~ school
Low Socio Economic Status (2025)17th percentile-11 vs school
Multi-racial (2025)8th percentile-20 vs school
By subject vs Illinois (2024-2025) ?
Science40%-9 vs state
English Language Arts36%-16 vs state
Mathematics30%-10 vs state

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Frequently Asked Questions about Alton High School

In the 2024-25 school year, 1,823 students attended Alton High School.

Students at Alton High School are 54% White, 28% African American, 11% Two or more races, 6% Hispanic.

Alton High School ranks 499th of 698 Illinois high schools. SchoolDigger rates this school 1 star out of 5.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the Illinois Department of Public Health and the Illinois State Board of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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