Dieterich Jr/Sr High School

Dieterich Jr/Sr High School operates as a very small 9-12 campus in Dieterich, Illinois, overseen by Dieterich CUSD 30. Current enrollment sits at 273 students spanning grades 7 through 12. That puts it 67% leaner than the typical public school in Illinois, which averages around 834 students.

Dieterich Jr/Sr High School is one of 2 schools operated by Dieterich CUSD 30, a district that instructs 632 students overall.

On the student-mix side, Dieterich Jr/Sr High School lists that 96% of students identify as White, making the school strongly White-majority. Other groups include 3% Hispanic. That mix tracks the wider county fairly closely.

On the resource side, On paper, Dieterich Jr/Sr High School has 21 full-time-equivalent teachers, translating to a class-load average of around 13.3:1. That tracks the state average closely. About 36% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy.

Adjusting for the school's free-and-reduced-lunch share, Dieterich Jr/Sr High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 50.8%, the actual is 44.9%, a residual of -5.9 points.

In the surrounding community, community-level numbers for Effingham County indicate the typical household earns roughly $80,404 per year, about 27% of the adult population holds a bachelor's degree or above, and roughly 7% of residents live below the federal poverty line. Dieterich Jr/Sr High School is one of 18 public schools in Effingham County (combined enrollment of about 5,063 students).

The closest other public school is Dieterich Elem School, roughly 0.0 miles away. 8 of the 8 nearest public schools sit inside a ten-mile radius, suggesting a relatively low-density school footprint. Ranking that nearby cluster on reported proficiency puts Dieterich Jr/Sr High School at 6th of 6; the average score across the group is 63.8%.

The campus sits in a low-density setting.

Five-year trend. Dieterich Jr/Sr High School's enrollment has expanded 44% since 2018, when it stood at 190 (now 273). Class-load math has tightened: from 14.6:1 in 2018 to 13.3:1 in 2025.

In the discussion threads here, recent activity here tends to focus on school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.