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What do you wish you knew before starting at Mastery CHS-Lenfest Campus?
Community prompt from u/allk12. Replies below.
Enrollment
660
High
STATE 738
SCHOOL COMMUNITY·MASTERY CHS-LENFEST CAMPUS·NCES 420008400578
Mastery CHS-Lenfest Campus
35 S. 4th Street, Philadelphia, PA 19106 · (215) 922-1902 · Philadelphia County
GRADES 07–12HIGH11-CITYCHARTERTITLE IREGULAR SCHOOL660 STUDENTS
C-
allk12 Grade
Scored higher than 24% of Pennsylvania public high schools
- C-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Pennsylvania public high schools
Student : Teacher
16.5:1
40 FTE teachers
STATE 12.8:1
Free / Reduced Lunch
96%
634 students
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 7 | 112 | 17% |
| Grade 8 | 111 | 17% |
| Grade 9 | 116 | 18% |
| Grade 10 | 120 | 18% |
| Grade 11 | 106 | 16% |
| Grade 12 | 95 | 14% |
Student demographics
37%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
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
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedEnglish Language Arts
38.1%
PA avg 51.1% . -10.1pp since 2023
Math
17.6%
PA avg 43.0% . -2.2pp since 2023
What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 38 of every 100 students at this school read and write at grade level and about 18 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores are down about 10 points since 2023, while math scores are down about 2 points.
PSSA + Keystone results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 38.1% | 17.6% |
| 2023-24 | 48.2% | 19.8% |
% 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
31.2%
composite math + reading, all grades
Predicted
36.4%
based on PA schools with similar FRL share
Beats by
-5.2pp
below demographic expectation
What this means: About 31% of students here test proficient in math and reading, compared with the roughly 36% 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 Mastery CHS-Lenfest Campus
Mastery CHS-Lenfest Campus's state test result (31.2% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Mastery CHS-Lenfest Campus this school | 660 | 96.1% | 31.2% |
| STEM at Showalter Chester | 477 | 91.4% | 18.0% |
| Franklin Benjamin High School Philadelphia | 570 | 95.3% | 8.8% |
| Bartram John - Main Philadelphia | 583 | 90.2% | 14.2% |
| Randolph A. Philip Area Vocational-Technical High School Philadelphia | 437 | 99.8% | 17.6% |
| Mastery CS-Gratz Campus Philadelphia | 1,048 | 98.9% | 21.1% |
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 Mastery CHS-Lenfest Campus ranks
Among high schools| Measure | This school | In Pennsylvania | In Philadelphia County |
|---|---|---|---|
| State test proficiency ranked highest first | 31.2% | #484 of 576 | #18 of 57 |
| Math proficiency ranked highest first | 17.6% | #517 of 626 ▼ 21 | #24 of 67 ▼ 2 |
| Reading proficiency ranked highest first | 38.1% | #520 of 626 ▼ 44 | #33 of 67 ▼ 8 |
| Enrollment ranked largest first | 660 | #300 of 713 | #23 of 70 |
| Students per teacher ranked fewest first | 16.5:1 | #505 of 601 | #28 of 65 |
| Diversity index ranked most diverse first | 37.1% | #245 of 604 | #37 of 65 |
| Free and reduced lunch ranked highest share first | 96.1% | #208 of 619 | #43 of 67 |
| Enrollment change since 2017-18 ranked fastest growth first | +12.4% | #72 of 221 | #13 of 31 |
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
660
+42 (+7%) vs 2020
+27% since 2010-11, when it was 519
Student : Teacher
16.5:1
was 15.8:1
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 | 660 | 39.9 | 16.5:1 | 96% (634) |
| 2023-24 | 634 | 39.8 | 15.9:1 | 100% (634) |
| 2022-23 | 610 | 42.8 | 14.3:1 | 99% (602) |
| 2020-21 | 618 | 39 | 15.8:1 | 99% (613) |
| 2017-18 | 587 | 37.4 | 15.7:1 | 98% (578) |
| 2015-16 | 536 | 35 | 15.3:1 | 70% (375) |
| 2010-11 | 519 | 36 | 14.4:1 | 72% (373) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mastery CHS-Lenfest Campus.
Since 2017-18: students up 12% (587 to 660); teachers up 7% (37.4 to 39.9).
About Mastery CHS-Lenfest Campus
Among the schools in Philadelphia, Pennsylvania, is Mastery CHS-Lenfest Campus, a medium-sized high school. A total of 660 students attend the school, which covers grades 7 through 12.
The school serves as its own district in federal records.
At 77%, Black students outnumber all other groups at Mastery CHS-Lenfest Campus combined. It is also 18% Hispanic and 3% multiracial. Philadelphia County's residents are about 39% Black, 38 points below the school's share. The chance that two students picked at random at Mastery CHS-Lenfest Campus belong to different racial or ethnic groups, known as the diversity index, is 37%.
The school reports 39.9 full-time-equivalent teachers, which works out to about 16.5 students per teacher. For comparison, high schools in Pennsylvania average 12.8:1. Free or reduced-price lunch eligibility covers 96% of students. That is close to the 95% average for public schools in Philadelphia County.
The allk12 Grade for Mastery CHS-Lenfest Campus is C-. Compared with Pennsylvania public high schools, the school scored higher than 24% on a mix of test scores, poverty-adjusted results, and recent trend.
Test results at Mastery CHS-Lenfest Campus are 5.2 points below what its free or reduced-price lunch share predicts (31.2% actual, 36.4% predicted).
Philadelphia County census figures show that median household income is about $61,953, roughly 35% of adults have a four-year degree or more, and the share of residents below the poverty line is 17%. Mastery CHS-Lenfest Campus is among the 309 public schools in Philadelphia County.
National Constitution Center High School is located about 0.3 miles from Mastery CHS-Lenfest Campus. Other public schools within five miles: at least 8. The school's 31.2% average proficiency ranks 8th among 9 nearby schools.
Federal records code the school's setting as City: Large. NCES lists Mastery CHS-Lenfest Campus as a charter school.
The student count in 2024-25 was 660, 7% above the 618 of 2020-21.
The allk12 site hosts a discussion page for Mastery CHS-Lenfest Campus covering things like enrollment questions, class placement, and PTA news. Posting is open to anyone connected to the school.
Philadelphia County at a glance
View full county profilePopulation
1,579,706
Census ACS
Median income
$61,953
Household, ACS
Bachelor's+
35%
Adults 25+
Poverty rate
17%
Below federal line
Schools in county
309
182,005 students
Quick facts
Related schools
Other schools in Philadelphia
- Northeast High SchoolHigh · 3,463 students
- Philadelphia Performing Arts CSCombined · 2,572 students
- Lincoln High SchoolHigh · 2,472 students
- Central High SchoolHigh · 2,329 students
- MaST Community CS IICombined · 1,875 students
- First Philadelphia Preparatory CSCombined · 1,831 students
Nearby schools
- National Constitution Center High School0.3 mi · 421
- McCall Gen George A School0.5 mi · 629
- Meredith William M School0.7 mi · 556
- Folk Arts-Cultural Treasures CS0.8 mi · 501
- Nebinger George W School1.0 mi · 391
- Kearny Gen Philip School1.0 mi · 189
Frequently asked questions
About Mastery CHS-Lenfest CampusHow many students attend Mastery CHS-Lenfest Campus?
Mastery CHS-Lenfest Campus enrolls approximately 660 students in grades 07-12.
What age range does Mastery CHS-Lenfest Campus serve?
Mastery CHS-Lenfest Campus serves students from grade 07 through grade 12.
How many students per teacher at Mastery CHS-Lenfest Campus?
Approximately 16.5:1 students per teacher at Mastery CHS-Lenfest Campus.
How diverse is Mastery CHS-Lenfest Campus?
Mastery CHS-Lenfest Campus reports a student body of 1% White, 18% Hispanic, 77% Black, 0% Asian, 3% Two or more.
Is Mastery CHS-Lenfest Campus public or private?
Mastery CHS-Lenfest Campus is a public K-12 school operated as a charter, overseen by Mastery CHS-Lenfest Campus.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.