allk12 · Rankings · Highest ratio · Pennsylvania · Allegheny County · High schools

The public high schools with the highest student-to-teacher ratios in Allegheny County, Pennsylvania

Across Allegheny County, Pennsylvania, 52 public high schools are ranked here, ranked by the most students per teacher, a proxy for larger classes. Penn Hills SHS leads the list at 18.7:1, against a median of 13.7:1 across the ranked schools.

Use the search box to find a specific school within this ranking, sort by any column, or export the full list. Built from NCES and state data for 2024-25.

Schools ranked

Allegheny County, Pennsylvania

Top Students/teacher

18.7:1

Median Students/teacher

13.7:1

HIGHEST RATIO · ALLEGHENY COUNTY, PENNSYLVANIA

#	School	City	District	Level	Students	Ratio
1	Penn Hills SHS	Pittsburgh, PA	Penn Hills SD	High	1,049	18.7:1
2	West Allegheny SHS	Imperial, PA	West Allegheny SD	High	1,031	18.2:1
3	Plum SHS	Plum, PA	Plum Borough SD	High	1,220	17.5:1
4	McKeesport Area SHS	McKeesport, PA	McKeesport Area SD	High	966	17.1:1
5	Chartiers Valley High School	Bridgeville, PA	Chartiers Valley SD	High	1,029	16.4:1
6	Pittsburgh CAPA 6-12	Pittsburgh, PA	Pittsburgh SD	High	840	16.3:1
7	Montour High School	Mc Kees Rocks, PA	Montour SD	High	1,004	15.8:1
8	Pittsburgh Allderdice High School	Pittsburgh, PA	Pittsburgh SD	High	1,386	15.8:1
9	South Allegheny High School	McKeesport, PA	South Allegheny SD	High	464	15.0:1
10	Thomas Jefferson High School	Jefferson Hills, PA	West Jefferson Hills SD	High	1,041	15.0:1
11	Woodland Hills High School	Pittsburgh, PA	Woodland Hills SD	High	1,006	14.8:1
12	South Fayette High School	McDonald, PA	South Fayette Township SD	High	1,143	14.8:1
13	Elizabeth Forward SHS	Elizabeth, PA	Elizabeth Forward SD	High	763	14.7:1
14	Gateway SHS	Monroeville, PA	Gateway SD	High	1,152	14.7:1
15	Mt Lebanon SHS	Pittsburgh, PA	Mt Lebanon SD	High	1,772	14.7:1
16	Fox Chapel Area High School	Pittsburgh, PA	Fox Chapel Area SD	High	1,360	14.6:1
17	Highlands SHS	Natrona Heights, PA	Highlands SD	High	665	14.4:1
18	Hampton High School	Allison Park, PA	Hampton Township SD	High	865	14.3:1
19	North Allegheny High School	Wexford, PA	North Allegheny SD	High	2,711	14.3:1
20	Pine-Richland High School	Gibsonia, PA	Pine-Richland SD	High	1,449	14.3:1
21	West Mifflin Area High School	West Mifflin, PA	West Mifflin Area SD	High	964	14.2:1
22	Baldwin SHS	Pittsburgh, PA	Baldwin-Whitehall SD	High	1,657	14.0:1
23	Pittsburgh Science and Technology Academy 6-12	Pittsburgh, PA	Pittsburgh SD	High	618	13.9:1
24	Pittsburgh Obama 6-12	Pittsburgh, PA	Pittsburgh SD	High	678	13.9:1
25	Moon Area SHS	Moon Township, PA	Moon Area SD	High	1,211	13.8:1
26	Deer Lakes High School	Cheswick, PA	Deer Lakes SD	High	581	13.7:1
27	North Hills High School	Pittsburgh, PA	North Hills SD	High	1,443	13.7:1
28	Bethel Park High School	Bethel Park, PA	Bethel Park SD	High	1,244	13.6:1
29	Upper Saint Clair High School	Pittsburgh, PA	Upper St. Clair SD	High	1,269	13.3:1
30	East Allegheny JSHS	North Versailles, PA	East Allegheny SD	High	672	13.2:1
31	Carlynton JSHS	Carnegie, PA	Carlynton SD	High	632	13.0:1
32	South Park SHS	South Park, PA	South Park SD	High	553	13.0:1
33	Keystone Oaks High School	Pittsburgh, PA	Keystone Oaks SD	High	539	12.9:1
34	Westinghouse Arts Academy CS	Wilmerding, PA	Westinghouse Arts Academy CS	High	282	12.8:1
35	City CHS	Pittsburgh, PA	City CHS	High	594	12.8:1
36	Sto-Rox JSHS	McKees Rocks, PA	Sto-Rox SD	High	422	12.7:1
37	Northgate MSHS	Pittsburgh, PA	Northgate SD	High	476	12.3:1
38	Clairton MS/HS	Clairton, PA	Clairton City SD	High	407	12.3:1
39	Riverview JSHS	Oakmont, PA	Riverview SD	High	441	11.9:1
40	Steel Valley SHS	Munhall, PA	Steel Valley SD	High	415	11.7:1
41	Shaler Area High School	Pittsburgh, PA	Shaler Area SD	High	1,160	11.5:1
42	Brentwood SHS	Pittsburgh, PA	Brentwood Borough SD	High	331	11.2:1
43	Quaker Valley High School	Leetsdale, PA	Quaker Valley SD	High	550	11.2:1
44	Pittsburgh Brashear High School	Pittsburgh, PA	Pittsburgh SD	High	897	11.0:1
45	Avonworth High School	Pittsburgh, PA	Avonworth SD	High	579	10.9:1
46	Pittsburgh Carrick High School	Pittsburgh, PA	Pittsburgh SD	High	515	10.5:1
47	Cornell High School	Coraopolis, PA	Cornell SD	High	252	10.5:1
48	Pittsburgh Perry High School	Pittsburgh, PA	Pittsburgh SD	High	430	10.4:1
49	Urban Pathways 6-12 CS	Pittsburgh, PA	Urban Pathways 6-12 CS	High	325	10.3:1
50	Pittsburgh Westinghouse	Pittsburgh, PA	Pittsburgh SD	High	573	10.2:1

Page 1 of 2 · top 52 of 52 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in Allegheny County →

Highest ratio rankings at a wider scope

All Pennsylvania Nationwide

Other rankings for Allegheny County, Pennsylvania

Largest Most diverse Lowest ratio Highest proficiency Fastest growing Highest poverty Lowest poverty Fastest declining Lowest proficiency Most Hispanic Most Black Most White Most Asian Best in math Best in reading Best in science Most Native American Most Pacific Islander Most multiracial Most Hispanic (count)Most Black (count)Most White (count)Most Asian (count)Most Native American (count)Most Pacific Islander (count)Most multiracial (count)Smallest Most male Most female Largest charters

All ranking categories →

DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.