High Schools in Mascoutah CUD 19

Mascoutah CUD 19 has one high school, Mascoutah High School, serving grades 9–12 and enrolling 1,243 students. With no other high school in the area to compare, the clearest picture comes from how the school’s results compare with Illinois’s. The most important finding is that Mascoutah was above the state proficiency rate in all nine reported subject-and-grade comparisons for 2025–2026.

Mascoutah High School is both the top and bottom school in this list because it is the only one; there are no local school-to-school leaders or laggards. Its state advantage ranged from 6 points in Grade 9 science to 22 points in Grade 11 ELA, and averaged 13 points across all nine comparisons. ELA showed the strongest average lead over the state, at 17 points, compared with 13 points in math and 10 in science. SchoolDigger gives the school four stars and ranks it 91st of 620 Illinois high schools. Other reported measures were a 98% graduation rate, a 1% dropout rate, and 19% chronic absenteeism; absenteeism was lower than the state’s 24% but higher than the district’s 13%.

Results improved on average relative to the state, but changes varied by grade and subject. Across the nine comparisons, Mascoutah’s average proficiency rose from 59% in 2024–2025 to 61% in 2025–2026, while its average lead over the state widened from 11 to 13 points. Grade 9 science turned around from 2 points below the state to 6 points above, while Grade 11 ACT science fell 3 points and its lead narrowed. SchoolDigger’s rank improved from 108th of 698 in 2024–2025 to 91st of 620, though its reported percentile remained 85, below 90 in 2023–2024. The school’s student-teacher ratio was 15.5 in 2024–2025, and 22% of students were free/reduced lunch eligible that year.