South Mountain MS
🇺🇸 Official data · 2025Allentown, Pennsylvania 18103 · Allentown City SD
#477 of 521 middle schools in Pennsylvania
#13278 of 15,369 nationally
About South Mountain MS
South Mountain MS is a public middle located in Allentown, in the Allentown City SD school district of Pennsylvania, United States. It caters for Grades 6–8. In 2025 it enrolled 972 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 22.8 out of 100, placing it in the lower 50% of middle schools in United States and 477th of 521 ranked middle schools in Pennsylvania. Its strongest component is students per teacher (62th percentile), and its weakest is community advantage (fewer free/reduced-price lunch) (6th percentile).
Other published figures: enrollment 972.
There are 36 schools in Allentown; South Mountain MS ranks 18th of 33 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)17%
- Reading proficiency (30%)38%
- Community advantage (fewer free/reduced-price lunch) (25%)99.4%
- Students per teacher (15%)13.7
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for South Mountain MS by the official sources.
- Enrollment
- 972
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 99.4%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 13.7
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 38%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 17%
- Share of tested students proficient or above (all students, all grades).
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Schools near South Mountain MS
Closest schools by straight-line distance, with their Success Index (US).
Hiram W Dodd El Sch
Allentown · Public elementary · Grades K–5
627 students · 350 m away
Roosevelt El Sch
Allentown · Public elementary · Grades PK–5
631 students · 1.6 km away
Jefferson El Sch
Allentown · Public elementary · Grades K–5
522 students · 1.8 km away
Salisbury SHS
Allentown · Public high · Grades 9–12
546 students · 1.9 km away
Lehigh Parkway El Sch
Allentown · Public elementary · Grades K–5
276 students · 2.0 km away
Building 21 Allentown
Allentown · Public high · Grades 9–12
415 students · 2.7 km away
Arts Academy Elementary CS
Allentown · Charter elementary · Grades K–5
425 students · 2.8 km away
Roberto Clemente CS
Allentown · Charter other · Grades K–12
619 students · 2.8 km away
Salisbury El Sch
Allentown · Public elementary · Grades K–4
461 students · 3.0 km away
Ruby Bridge Childhood Center
Allentown · Public elementary · Grades PK–K
125 students · 3.1 km away
Similar schools
Public middle schools in Pennsylvania with a comparable Enrollment.
Whitehall-Coplay MS
Whitehall · Public middle · Grades 6–8
975 students
East Hills MS
Bethlehem · Public middle · Grades 6–8
966 students
Keith Valley MS
Horsham · Public middle · Grades 6–8
966 students
Poquessing MS
Feasterville Trevose · Public middle · Grades 5–8
966 students
Dorseyville MS
Pittsburgh · Public middle · Grades 6–8
981 students
Phoenixville Area MS
Phoenixville · Public middle · Grades 6–8
963 students
Frequently asked questions
Is South Mountain MS a good school?
South Mountain MS has a Success Index (US) of 22.8 out of 100 (Lower 50% of middle schools in United States) and ranks #477 of 521 in Pennsylvania. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does South Mountain MS rank in Pennsylvania?
South Mountain MS ranks #477 of 521 middle schools in Pennsylvania and #13278 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend South Mountain MS?
South Mountain MS had 972 students in 2025.
Is South Mountain MS a elementary school or a high school?
South Mountain MS is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near South Mountain MS?
There are 10 schools within 15 km of South Mountain MS; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.