High · Alternative · Grades 7 to 12

South Mountain Secure Trmnt Un, South Mountain, PA

South Mountain Secure Trmnt Un is a public high school in South Mountain, part of South Mountain Secure Trmnt Unit. It enrolled 24 students in 2024-25, with 3.0 students per full-time teacher.

Enrollment and teachers

Students: 24
Teachers (FTE): 8.0
Students per teacher: 3.0
Grades: 7 to 12

This school's ratio is about the same as the district figure of 3.0. The Pennsylvania average across schools is 13.5. Ratios count all teachers, including specialists, so they are lower than typical class sizes.

This school3.0

District3.0

Pennsylvania13.5

United States15.3

School details

Address: 10056 South Mountain Rd, South Mountain, PA 17261
Phone: (717)749-4511
District: South Mountain Secure Trmnt Unit
County: Franklin County
Level: High
Type: Alternative
Status: Open
Charter: No
Locale: Rural: Fringe
NCES school ID: 420002500355

Location from NCES coordinates. Map data OpenStreetMap contributors. Open larger map

School meals

Counts of students eligible for free or reduced-price lunch, as reported to NCES.

Free lunch: 21
Reduced-price lunch: 0
Free or reduced-price lunch: 2187.5% of enrollment.
Community Eligibility Provision: No

Schools in the Community Eligibility Provision (CEP) serve free meals to all students, so their free lunch counts often reflect direct certification or total enrollment. Free and reduced lunch shares are not comparable between CEP and non-CEP schools.

Related schools

We publish official enrollment and staffing data, not ratings or test scores.

Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.