Other / mixed grade configuration · South Mountain, PA
South Mountain Secure Trmnt Un
Federal NCES profile for South Mountain Secure Trmnt Un, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 71/100.
The verdict
South Mountain Secure Trmnt Un earns 71/100 on the Resource Investment Index, with class sizes smaller than 99% of Pennsylvania schools. It is also one of the smallest schools in Pennsylvania.
- 71
- Resource Index · Higher
- 3:1
- small classes for Pennsylvania
- 24
- students enrolled
South Mountain Secure Trmnt Un has class sizes smaller than 99% of Pennsylvania schools. Computed live against every Pennsylvania school reporting to NCES.
School address
NCES ID 420002500355 Verify on NCES CCD record →
NCES CCD universe card
School universe 420002500355 · South Mountain, PA Other · SMALL · TRAD
24 enr · 3:1 · RII 71
Nearest enrollment peer: Ivalee Elementary School (200 students)
South Mountain Secure Trmnt Un CCD stamps from the federal school universe. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Pennsylvania schools → · Find another →
How South Mountain Secure Trmnt Un compares
South Mountain Secure Trmnt Un on the metrics families compare, against Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 3:1 | ▼ 78% | 13.6:1 | 15.7:1 |
| Enrollment | 24 | top 98% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators (what these measure)
Student demographics
Largest group: African American at 62.5% of enrollment.
Simpson diversity index - at 53.8, South Mountain Secure Trmnt Un is more mixed than the Pennsylvania school average of 37.3.
Programs
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~24 students)
Frequently asked questions about South Mountain Secure Trmnt Un
How many students attend South Mountain Secure Trmnt Un?
South Mountain Secure Trmnt Un has 24 students enrolled. It is an alternative school in South Mountain, PA.
What is the student-teacher ratio at South Mountain Secure Trmnt Un?
The student-teacher ratio at South Mountain Secure Trmnt Un is 3:1, which is 78% lower than the Pennsylvania average of 13.6:1 and 81% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of South Mountain Secure Trmnt Un?
The largest demographic group at South Mountain Secure Trmnt Un is African American at 62.5% of enrollment, in South Mountain, PA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.8/100.
What is the Resource Investment Index for South Mountain Secure Trmnt Un?
South Mountain Secure Trmnt Un has a Resource Investment Index of 71/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
What other schools are in South Mountain Secure Trmnt Unit?
None reported; South Mountain Secure Trmnt Unit operates only South Mountain Secure Trmnt Un as a public school district in NCES's records.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error. Data current as of August 2026.