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What do you wish you knew before starting at Upper Merion HS?
Community prompt from u/allk12. Replies below.
Enrollment
1,326
High
DISTRICT 621 · STATE 738
SCHOOL COMMUNITY·UPPER MERION AREA SD·NCES 422448003395
Upper Merion Area High School
465 Crossfield Rd, King of Prussia, PA 19406 · (610) 205-3802 · Montgomery County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL1,326 STUDENTS
Student : Teacher
14.0:1
95 FTE teachers
DISTRICT 11.8:1 · STATE 12.8:1
Free / Reduced Lunch
51%
681 students
DISTRICT 49% · 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, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 319 | 24% |
| Grade 10 | 332 | 25% |
| Grade 11 | 354 | 27% |
| Grade 12 | 321 | 24% |
Student demographics
72%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 73% · STATE 59% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within Upper Merion Area SD. Attendance zones can vary; confirm enrollment with the district.
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedEnglish Language Arts
64.2%
PA avg 51.1% . +12.2pp since 2023
Math
41.3%
PA avg 43.0% . +11.4pp since 2023
What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 64 of every 100 students at this school read and write at grade level and about 41 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores are up about 12 points since 2023, while math scores are up about 11 points.
PSSA + Keystone results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 64.2% | 41.3% |
| 2023-24 | 52.0% | 29.9% |
% Proficient or Advanced, all students and all tested grades.
Source: PSSA + Keystone. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
51.5%
composite math + reading, all grades
Predicted
55.6%
based on PA schools with similar FRL share
Beats by
-4.1pp
below demographic expectation
What this means: About 52% of students here test proficient in math and reading, compared with the roughly 56% typical for Pennsylvania schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Pennsylvania's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Upper Merion Area High School
Upper Merion Area High School's state test result (51.5% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Upper Merion Area High School this school | 1,326 | 51.4% | 51.5% |
| East Pennsboro Area SHS Enola | 779 | 42.6% | 61.1% |
| Central Dauphin SHS Harrisburg | 1,966 | 36.5% | 52.7% |
| Susquehanna Twp High School Harrisburg | 767 | 64.7% | 39.7% |
| Carlisle Area High School Carlisle | 1,559 | 45.2% | 52.4% |
| Conestoga Valley SHS Lancaster | 1,304 | 46.6% | 59.1% |
Matched among Pennsylvania high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Upper Merion Area High School ranks
Among high schools| Measure | This school | In Pennsylvania | In Montgomery County |
|---|---|---|---|
| State test proficiency ranked highest first | 51.5% | #279 of 576 | #19 of 23 |
| Math proficiency ranked highest first | 41.3% | #284 of 626 ▲ 116 | #19 of 23 ▲ 1 |
| Reading proficiency ranked highest first | 64.2% | #245 of 626 ▲ 187 | #17 of 23 ▲ 3 |
| Enrollment ranked largest first | 1,326 | #105 of 713 | #13 of 28 |
| Students per teacher ranked fewest first | 14.0:1 | #304 of 601 | #13 of 22 |
| Diversity index ranked most diverse first | 72.4% | #16 of 604 | #2 of 22 |
| Free and reduced lunch ranked highest share first | 51.4% | #335 of 619 | #5 of 23 |
| Enrollment change since 2017-18 ranked fastest growth first | +15.6% | #50 of 221 | #5 of 16 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,326
+88 (+7%) vs 2020
+35% since 1990-91, when it was 981
Student : Teacher
14.0:1
was 13.9:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,326 | 95 | 14.0:1 | 51% (681) |
| 2023-24 | 1,386 | 93 | 14.9:1 | 49% (681) |
| 2022-23 | 1,345 | 93.8 | 14.3:1 | 38% (509) |
| 2020-21 | 1,238 | 89 | 13.9:1 | 34% (421) |
| 2017-18 | 1,147 | 85.8 | 13.4:1 | 32% (367) |
| 2015-16 | 1,142 | 82 | 13.9:1 | 34% (386) |
| 2010-11 | 1,125 | 82 | 13.7:1 | 17% (188) |
| 2000-01 | 1,046 | 72 | 14.5:1 | 10% (105) |
| 1990-91 | 981 | 84 | 11.7:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Upper Merion Area High School.
Since 2017-18: students up 16% (1,147 to 1,326); teachers up 11% (85.8 to 95).
About Upper Merion Area High School
Among the schools in King of Prussia, Pennsylvania, is Upper Merion Area High School, a large high school. Grades offered run from 9 through 12, with 1,326 students enrolled. For comparison, high schools in Pennsylvania average about 738 students.
Upper Merion Area SD has 4,345 students in 7 schools, and Upper Merion Area High School is one of those schools.
Upper Merion Area High School's enrollment has no majority group, and White students are the largest at 44%. It is also 19% Hispanic, 16% Black, 13% Asian, and 8% multiracial. Montgomery County's residents are about 73% White, 30 points above the school's share. The chance that two students picked at random at Upper Merion Area High School belong to different racial or ethnic groups, known as the diversity index, is 72%.
Upper Merion Area High School operates with 95 full-time-equivalent teachers, a ratio of about 14.0:1. That ratio is over the 12.8:1 average for high schools in Pennsylvania. Upper Merion Area High School reports 51% of students eligible for free or reduced-price meals. That is 11 points above the 40% average for public schools in Montgomery County.
In Pennsylvania, Upper Merion Area High School is in the middle band of BeatsExpectations: 51.5% actual against a predicted 55.6%.
Montgomery County census figures show that median household income is about $113,915, roughly 53% of adults have a four-year degree or more, and the share of residents below the poverty line is 4%. Upper Merion Area High School is among the 160 public schools in Montgomery County.
The school nearest to Upper Merion Area High School is Upper Merion Area Middle School, at a distance of about 0.1 miles. Counting only straight-line distance, at least 8 other public schools are within five miles. On state test proficiency, Upper Merion Area High School ranks 4th in a group of 7 nearby schools.
The school's federal locale classification is Suburb: Large.
Enrollment was 1,238 in 2020-21 and 1,326 in 2024-25, a rise of 88 students.
Topics for discussion here include sports tryouts, band and choir, and theater. Alumni can share how the school prepared them.
Montgomery County at a glance
View full county profilePopulation
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
Related schools
Other schools in Upper Merion Area SD
- Upper Merion Area Middle SchoolMiddle · 1,348 students
- Gulph Elementary SchoolElementary · 440 students
- Caley Elementary SchoolElementary · 372 students
- Candlebrook Elementary SchoolElementary · 313 students
- Roberts Elementary SchoolElementary · 292 students
- Bridgeport Elementary SchoolElementary · 254 students
Other schools in King of Prussia
- Agora Cyber CSCombined · 4,156 students
- Pennsylvania Virtual CSCombined · 2,772 students
- Upper Merion Area Middle SchoolMiddle · 1,348 students
- Gulph Elementary SchoolElementary · 440 students
- Caley Elementary SchoolElementary · 372 students
- Candlebrook Elementary SchoolElementary · 313 students
Nearby schools
- Upper Merion Area Middle School0.1 mi · 1,348
- Candlebrook Elementary School0.4 mi · 313
- Caley Elementary School0.7 mi · 372
- Pennsylvania Virtual CS1.5 mi · 2,772
- Roberts Elementary School1.6 mi · 292
- Agora Cyber CS1.8 mi · 4,156
Frequently asked questions
About Upper Merion Area High SchoolHow large is Upper Merion Area High School?
Upper Merion Area High School enrolls approximately 1,326 students in grades 09-12.
What grades does Upper Merion Area High School serve?
Upper Merion Area High School serves grades 09-12.
What is the student-teacher ratio at Upper Merion Area High School?
The student-to-teacher ratio at Upper Merion Area High School is approximately 14.0:1 (95 FTE teachers).
How diverse is Upper Merion Area High School?
Upper Merion Area High School reports a student body of 44% White, 19% Hispanic, 16% Black, 13% Asian, 8% Two or more.
Who oversees Upper Merion Area High School?
Upper Merion Area High School is overseen by Upper Merion Area SD in Montgomery County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.