Metro East school reports › St. Clair County › Mascoutah CUD 19
Mascoutah High School
Mascoutah High School is a public high school in Mascoutah CUD 19, serving grades 9 - 12 in Mascoutah, St. Clair County, Illinois. In the 2025 Illinois Report Card (2024-25 school year), the Illinois State Board of Education designated it Exemplary, the same designation it received in 2023 and 2024.
State designation, last three report cards
- 2023Exemplary
- 2024Exemplary
- 2025Exemplary
What Exemplary means: Performance in the top 10 percent of Illinois schools on the state's accountability index, with no student group performing at or below the level of the lowest 5 percent of schools.
How it compares with other St. Clair County high schools
| Measure | This school | County median | Diff. |
|---|---|---|---|
| ELA proficiency | 67.3% | 50.0%10 schools | +17.3 pts |
| Math proficiency | 58.8% | 30.6%9 schools | +28.2 pts |
| Chronic absenteeism | 19.9% | 38.0%12 schools | -18.1 pts |
| Average class size | 20.9 | 17.412 schools | +3.5 |
| Low-income enrollment | 21.2% | 56.5%12 schools | -35.3 pts |
Median of other high schools in St. Clair County with reported data, this school excluded, not weighted by enrollment. Proficiency is from the 2024-25 state tests. Illinois changed its proficiency cut scores in 2025, so these percentages cannot be compared with earlier years.
What stands out
- Math proficiency is 28.2 points above the median for other St. Clair County high schools (30.6%). A relative strength.
- Chronic absenteeism is 18.1 points below the median for other St. Clair County high schools (38.0%). A relative strength.
Before you buy for this school
- Confirm the attendance boundary for the exact address with Mascoutah CUD 19. Boundaries change, and a listing's school field is not a guarantee.
- Visit. A designation summarizes test results, growth and attendance. It does not describe a classroom.
- Read the full report card for student-group results, growth and staffing.
Thinking about living here? Read the Mascoutah area guide.
Looking for a home near Mascoutah High School?
Tell me what you're looking for and I'll send homes for sale in this school's attendance area, with the boundary confirmed with the district.
Got it. I'll be in touch shortly. If it's urgent, call or text (223) 262-0988.
Other schools in Mascoutah CUD 19
- Mascoutah Elementary School Commendable
- Mascoutah Middle School Commendable
- Scott Elementary School Exemplary
- Wingate Elementary School Commendable
Sources
- Illinois Report Card: Mascoutah High School
- ISBE Report Card Public Data Sets, 2023, 2024 and 2025, retrieved 2026-10-06
- ISBE 2025 Report Card Glossary (designation definitions)
This page reports state-published data. It is not a rating or recommendation by Single Tree Team.
