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Mascoutah High School

1313 W Main St, Mascoutah, IL 62258

ASchola Grade
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Grades
9–12
High
Students
1,243
Enrolled 2024–25
Students per teacher
15.5 : 1
Full-time teachers
District
Mascoutah CUD 19
St. Clair County

Schola Grade A · Excellent

Letter grade (A–F) · compared with 684 Illinois high schools · How we grade
Test scores48% proficient in math & reading
93rdpercentile
Equity27% of low-income students proficient
86thpercentile
Attendance18% chronically absent
86thpercentile
Graduation rate95% graduate in 4 years
84thpercentile
College readinessAt least 40% take AP, IB or dual-enrollment courses
84thpercentile
Class size15.5 students per teacher
26thpercentile

Percentiles compare this school with other Illinois high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Mascoutah High School

Mascoutah High School is a public high school in Mascoutah, Illinois, serving grades 9–12. It is part of Mascoutah CUD 19. The school is located in a town on the edge of a metro area in St. Clair County.

In the 2024–25 school year, 1,243 students were enrolled, with about 15.5 students for every full-time teacher. That ratio is larger than the typical Illinois high school (13.3 students per teacher). Its Schola Grade is A (excellent), compared with 684 Illinois high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

1313 W Main St
Mascoutah, IL 62258
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
1,243 students
Students per teacher
15.5 to 1
AP courses offered
12
Charter school
No
Magnet school
No
Locale
Town — Fringe
School district
Mascoutah CUD 19
County
St. Clair County
NCES school ID
172494002701

Schools near Mascoutah High School

All 4 schools in Mascoutah →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.