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SCHOOL COMMUNITY·WEST JEFFERSON HILLS SD·NCES 422559000523

Thomas Jefferson HS

830 Old Clairton Rd, Jefferson Hills, PA 15025 · (412) 655-8610 · Allegheny County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,041 STUDENTS
Enrollment
1,041
High
DISTRICT 700 · STATE 738
Student : Teacher
15.0:1
70 FTE teachers
DISTRICT 15.9:1 · STATE 12.8:1
Free / Reduced Lunch
24%
249 students
DISTRICT 29% · STATE 75%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
297
Grade 10
244
Grade 11
273
Grade 12
227
Student demographics
White
89786%
DISTRICT 80% · STATE 60%
Hispanic
252%
DISTRICT 3% · STATE 16%
Black
353%
DISTRICT 3% · STATE 14%
Asian
697%
DISTRICT 11% · STATE 5%
Two+
151%
DISTRICT 3% · STATE 5%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
56855%
Female
47345%

Discussions

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Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
92.0%
PA avg 51.1% . +5.1pp since 2023
Math
68.7%
PA avg 43.0% . +9.8pp since 2023
Source: PSSA + Keystone. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
77.1%
composite math + reading, all grades
Predicted
67.4%
based on PA schools with similar FRL share
Beats by
+9.7pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
1,041
+152 (+17%) vs 2017
Student : Teacher
15.0:1
was 13.7:1
% White
86%
was 93%
% Hispanic
2%
was 1%
% Black
3%
was 2%
% Asian
7%
was 3%
Source: NCES Common Core of Data

About Thomas Jefferson HS

Set in Jefferson Hills, Pennsylvania, Thomas Jefferson HS is an average-sized four-year high school, overseen by West Jefferson Hills SD. It enrolls 1,041 students across grades 9 through 12. Compared to the state average of about 738 students per school, that is 41% larger than typical.

Thomas Jefferson HS is one of 5 schools operated by West Jefferson Hills SD, a district that serves 3,501 students overall.

In terms of who attends, Thomas Jefferson HS reports that the student body is overwhelmingly White (86%); the rest is composed of 7% Asian, 3% Black, 2% Hispanic. The wider county runs roughly 76% White, putting the school's mix meaningfully more White than the area baseline.

In terms of school funding signals, On paper, Thomas Jefferson HS has 70 full-time-equivalent teachers, translating to a class-load average of around 15.0:1. The state averages around 12.8:1, so this campus is higher than the state norm typical. Around 24% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment. By comparison, Allegheny County runs at roughly 54%, so the school's eligibility rate is below the surrounding baseline.

Adjusting for the school's free-and-reduced-lunch share, Thomas Jefferson HS sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 67.4%; this one delivers 77.1%.

Zooming out to the county, Allegheny County reports that median household income runs about $78,548, about 46% of the adult population holds a bachelor's degree or above, and roughly 7% of residents live below the federal poverty line. Thomas Jefferson HS is one of 277 public schools in Allegheny County (combined enrollment of about 141,392 students).

Nearest neighbor: Jefferson Hills Intermediate Sch, around 0.4 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Thomas Jefferson HS at 1st of 6; the average score across the group is 57.2%.

Geographically, the school is in an outer-ring area.

Looking at the recent track record. Thomas Jefferson HS's enrollment has edged up 17% since 2018, when it stood at 889 (now 1,041). The White share of enrollment ticked down from 93% to 86% over that span. The student-to-teacher ratio grew from 13.7:1 in 2018 to 15.0:1 today.

On this page, the feed for Thomas Jefferson HS typically covers school events, parent volunteer needs, and clubs. Members of the school community can share what they know.

Allegheny County at a glance

View full county profile
Population
1,238,177
Census ACS
Median income
$78,548
Household, ACS
Bachelor's+
46%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
277
141,392 students

Quick facts

School name
Thomas Jefferson HS
District
West Jefferson Hills SD
Address
830 Old Clairton Rd, Jefferson Hills, PA 15025
Phone
(412) 655-8610
County
Allegheny County
Level
High
Grade range
09–12
Total enrollment
1,041
Teachers (FTE)
70
Student–teacher ratio
15.0:1
Free/Reduced lunch
249 (24%)
Locale
21-Suburb: Large
NCES ID
422559000523
Charter school
No
Virtual school
No

Related schools

Other schools in West Jefferson Hills SD
Other schools in Jefferson Hills
Nearby schools

Frequently asked questions

About Thomas Jefferson HS
How many students attend Thomas Jefferson HS?
Thomas Jefferson HS enrolls approximately 1,041 students in grades 09-12.
Is Thomas Jefferson HS an elementary, middle, or high school?
Thomas Jefferson HS is a high school covering grades 09-12.
How many students per teacher at Thomas Jefferson HS?
Approximately 15.0:1 students per teacher at Thomas Jefferson HS.
How diverse is Thomas Jefferson HS?
Thomas Jefferson HS reports a student body of 86% White, 2% Hispanic, 3% Black, 7% Asian, 1% Two or more.
Is Thomas Jefferson HS public or private?
Thomas Jefferson HS is a public K-12 school, overseen by West Jefferson Hills SD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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