Donegal Intermediate School

Set in Marietta, Pennsylvania, Donegal Intermediate School is a high-enrollment primary school, operated by Donegal SD. It hosts 806 students across grades 3 through 6. That puts it 82% bigger than the typical public school in Pennsylvania, which averages around 443 students.

Across the 4 schools in Donegal SD (2,739 students total), Donegal Intermediate School accounts for its share of the district's footprint.

Looking at the student body, Donegal Intermediate School records that White students make up the majority at 71%; the rest looks like 19% Hispanic, 5% multiracial, 3% Black. By comparison, Lancaster County as a whole is about 82% White, so the school skews meaningfully less White than its surroundings.

In terms of school funding signals, On paper, Donegal Intermediate School has 54 full-time-equivalent teachers, translating to a class-load average of around 14.8:1. The state averages around 13.1:1, so this campus is higher than the state norm typical. An estimated 50% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

On a residual basis (actual vs predicted given the student mix), Donegal Intermediate School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 56.2%, the actual is 54.4%, a residual of -1.8 points.

In the broader community, census data for Lancaster County shows median household income runs about $86,959, 32% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 5%. In all, Lancaster County runs 114 public schools (combined enrollment of about 62,719 students), of which Donegal Intermediate School is one.

Nearest neighbor: Donegal JHS, around 2.5 miles off. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Donegal Intermediate School at 2nd of 4; the average score across the group is 55.3%.

The campus sits in a town-based setting.

Five-year trend. Looking back 7 years, enrollment at Donegal Intermediate School has fell 13%, going from 928 students in 2018 to 806 in 2025. The White share of enrollment declined from 78% to 71% over that span. The student-to-teacher ratio fell from 16.8:1 in 2018 to 14.8:1 today.

On allk12, members of the Donegal Intermediate School community share and discuss classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.