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SCHOOL COMMUNITY·LOWER MERION SD·NCES 421416003296

Harriton SHS

600 N Ithan Ave, Rosemont, PA 19010 · (610) 658-3950 · Montgomery County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,239 STUDENTS
Enrollment
1,239
High
DISTRICT 1,457 · STATE 738
Student : Teacher
10.7:1
116 FTE teachers
DISTRICT 11.1:1 · STATE 12.8:1
Free / Reduced Lunch
16%
193 students
DISTRICT 16% · 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
332
Grade 10
309
Grade 11
292
Grade 12
306
Student demographics
White
81165%
DISTRICT 63% · STATE 60%
Hispanic
847%
DISTRICT 6% · STATE 16%
Black
1058%
DISTRICT 9% · STATE 14%
Asian
15813%
DISTRICT 12% · STATE 5%
Two+
806%
DISTRICT 9% · STATE 5%
Pacific Islander
10%
DISTRICT 0% · STATE 0%
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
61349%
Female
62651%

Discussions

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Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
92.3%
PA avg 51.1% . -0.5pp since 2023
Math
81.1%
PA avg 43.0% . -0.6pp 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
86.0%
composite math + reading, all grades
Predicted
70.9%
based on PA schools with similar FRL share
Beats by
+15.1pp
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
1,239
+35 (+3%) vs 2017
Student : Teacher
10.7:1
was 10.8:1
% White
65%
was 77%
% Hispanic
7%
was 5%
% Black
8%
was 7%
% Asian
13%
was 9%
Source: NCES Common Core of Data

About Harriton SHS

Harriton SHS is one of the sprawling secondary schools in Rosemont, Pennsylvania, operated by Lower Merion SD, with 1,239 students on its rolls from grades 9 through 12. By comparison, Pennsylvania's public schools average about 738 students each, so Harriton SHS sits 68% larger than that benchmark.

Across the 11 schools in Lower Merion SD (8,533 students total), Harriton SHS accounts for its share of the district's footprint.

For racial and ethnic makeup, Harriton SHS shows that the largest single group is White, at 65% of enrollment. Other groups include 13% Asian, 8% Black, 7% Hispanic, 6% multiracial.

On the income-and-resources front, The school currently runs with 116 full-time-equivalent teachers, for a student-teacher ratio near 10.7:1. Statewide, the average ratio sits near 12.8:1, putting Harriton SHS tighter than the state norm the norm. An estimated 16% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. That share is below Montgomery County's rate of about 40%.

On a residual basis (actual vs predicted given the student mix), Harriton SHS sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 70.9%; this one delivers 86.0%.

Around the school, the surrounding county (Montgomery County) logs that median household earnings sit near $113,915, 53% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 4%. Across Montgomery County's 160 public schools (combined enrollment of about 115,302 students), Harriton SHS is one campus in the mix.

Black Rock MS is the nearest neighboring public school, about 1.3 miles from this campus. Within five miles, there are 8 other public schools. On composite proficiency, Harriton SHS comes 4th of 9 in the immediate cluster, above the nearby-schools average of 80.7%.

The school occupies an outer-ring site.

Over the past 7-year window. Looking back 7 years, enrollment at Harriton SHS has edged up 3%, going from 1,204 students in 2018 to 1,239 in 2025. White enrollment moved from 77% to 65% across the same window.

In the discussion threads here, posts here usually surface around sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.

Montgomery County at a glance

View full county profile
Population
867,573
Census ACS
Median income
$113,915
Household, ACS
Bachelor's+
53%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
160
115,302 students

Quick facts

School name
Harriton SHS
District
Lower Merion SD
Address
600 N Ithan Ave, Rosemont, PA 19010
Phone
(610) 658-3950
County
Montgomery County
Level
High
Grade range
09–12
Total enrollment
1,239
Teachers (FTE)
116
Student–teacher ratio
10.7:1
Free/Reduced lunch
193 (16%)
Locale
21-Suburb: Large
NCES ID
421416003296
Charter school
No
Virtual school
No

Related schools

Other schools in Lower Merion SD
Nearby schools

Frequently asked questions

About Harriton SHS
How many students attend Harriton SHS?
Harriton SHS enrolls approximately 1,239 students in grades 09-12.
Is Harriton SHS an elementary, middle, or high school?
Harriton SHS is a high school covering grades 09-12.
How many teachers does Harriton SHS have?
Harriton SHS employs 116 FTE teachers, for a student-to-teacher ratio of 10.7:1.
What is the student diversity at Harriton SHS?
Student demographics at Harriton SHS are roughly 65% White, 7% Hispanic, 8% Black, 13% Asian, 6% Two or more.
Who oversees Harriton SHS?
Harriton SHS is overseen by Lower Merion SD in Montgomery County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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