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What's the most underrated thing about Mastery CS-Gratz Campus that outsiders don't know?
Community prompt from u/allk12. Replies below.
Enrollment
1,048
High
STATE 738
SCHOOL COMMUNITY·MASTERY CS-GRATZ CAMPUS·NCES 420085107414
Mastery CS-Gratz Campus
1798 West Hunting Park Avenue, Philadelphia, PA 19140 · (215) 227-4408 · Philadelphia County
GRADES 07–12HIGH11-CITYCHARTERTITLE IREGULAR SCHOOL1,048 STUDENTS
D
allk12 Grade
Scored higher than 10% of Pennsylvania public high schools
- DTest 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
15.0:1
70 FTE teachers
STATE 12.8:1
Free / Reduced Lunch
99%
1,036 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 | 139 | 13% |
| Grade 8 | 142 | 14% |
| Grade 9 | 245 | 23% |
| Grade 10 | 185 | 18% |
| Grade 11 | 158 | 15% |
| Grade 12 | 179 | 17% |
Student demographics
27%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
35.6%
PA avg 51.1% . -4.8pp since 2023
Math
14.7%
PA avg 43.0% . +5.1pp since 2023
What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 36 of every 100 students at this school read and write at grade level and about 15 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 5 points since 2023, while math scores are up about 5 points.
PSSA + Keystone results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 35.6% | 14.7% |
| 2023-24 | 40.4% | 9.6% |
% 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
21.1%
composite math + reading, all grades
Predicted
35.2%
based on PA schools with similar FRL share
Beats by
-14.1pp
below demographic expectation
What this means: About 21% of students here test proficient in math and reading, compared with the roughly 35% 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 CS-Gratz Campus
Mastery CS-Gratz Campus's state test result (21.1% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Mastery CS-Gratz Campus this school | 1,048 | 98.9% | 21.1% |
| Mastery CS-Pickett Campus Philadelphia | 929 | 97.5% | 21.1% |
| Penn Wood High School Lansdowne | 1,148 | 97.6% | 21.9% |
| Freire CS Philadelphia | 1,024 | 93.1% | 23.9% |
| Philadelphia Electrical & Technology CHS Philadelphia | 629 | 97.8% | 22.2% |
| Mastery CS - Shoemaker Campus Philadelphia | 722 | 99.6% | 21.0% |
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 CS-Gratz Campus ranks
Among high schools| Measure | This school | In Pennsylvania | In Philadelphia County |
|---|---|---|---|
| State test proficiency ranked highest first | 21.1% | #526 of 576 | #31 of 57 |
| Math proficiency ranked highest first | 14.7% | #530 of 626 ▲ 28 | #28 of 67 ▲ 4 |
| Reading proficiency ranked highest first | 35.6% | #533 of 626 ▼ 5 | #37 of 67 ▼ 4 |
| Enrollment ranked largest first | 1,048 | #163 of 713 | #10 of 70 |
| Students per teacher ranked fewest first | 15.0:1 | #407 of 601 | #18 of 65 |
| Diversity index ranked most diverse first | 26.9% | #326 of 604 | #39 of 65 |
| Free and reduced lunch ranked highest share first | 98.9% | #149 of 619 | #30 of 67 |
| Enrollment change since 2017-18 ranked steepest decline first | -28.9% | #19 of 373 | #6 of 35 |
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
1,048
-284 (-21%) vs 2020
Student : Teacher
15.0:1
was 17.3:1
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 | 1,048 | 70 | 15.0:1 | 99% (1,036) |
| 2023-24 | 1,036 | 59 | 17.6:1 | 100% (1,033) |
| 2022-23 | 1,160 | 67.1 | 17.3:1 | N/A |
| 2020-21 | 1,332 | 77 | 17.3:1 | 100% (1,327) |
| 2017-18 | 1,474 | 84.6 | 17.4:1 | 99% (1,464) |
| 2015-16 | 1,479 | 87 | 17.0:1 | 100% (1,479) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mastery CS-Gratz Campus.
Since 2017-18: students down 29% (1,474 to 1,048); teachers down 17% (84.6 to 70).
About Mastery CS-Gratz Campus
Mastery CS-Gratz Campus is a medium-sized high school in Mastery CS-Gratz Campus, located in Philadelphia, Pennsylvania. The school reports 1,048 students in grades 7 through 12. The typical figure for high schools in Pennsylvania is about 738 students.
In federal data, the district for Mastery CS-Gratz Campus is the school itself.
Black students make up 85% of enrollment at Mastery CS-Gratz Campus. The remaining students are 12% Hispanic and 2% multiracial. Census figures show Philadelphia County is about 39% Black. Mastery CS-Gratz Campus's diversity index is 27%, against a US figure of 70%.
The school employs the equivalent of 70 full-time teachers, for a ratio of 15.0:1. That is 2.2 students per teacher above the 12.8:1 average for high schools in Pennsylvania. The free or reduced-price lunch rate at Mastery CS-Gratz Campus is 99%.
Mastery CS-Gratz Campus is graded D by allk12, scoring above 10% of Pennsylvania public high schools once test results, poverty-adjusted performance, and the recent trend are combined.
Schools in Pennsylvania with a similar free or reduced-price lunch share are predicted to score about 35.2%. Mastery CS-Gratz Campus scores 21.1%.
Philadelphia County has these Census figures: the median household income is $61,953, roughly 35% of adults have a four-year degree or more, and about 17% of residents live below the federal poverty line. Philadelphia County is home to 309 public schools and about 182,005 public school students.
The next-closest public school is Mastery Prep Elementary CS, less than a tenth of a mile away. The count of other public schools within five miles is at least 8. Its average proficiency rate of 21.1% is above the 21.1% average for nearby schools.
NCES describes the area around Mastery CS-Gratz Campus as City: Large, meaning inside a principal city with a population of 250,000 or more. Mastery CS-Gratz Campus is run as a public charter school.
The school enrolled 1,048 students in 2024-25, 284 fewer than the 1,332 it had in 2020-21. Staffing shifted too: the ratio moved from 17.3:1 to 15.0:1.
The allk12 site hosts a discussion page for Mastery CS-Gratz Campus covering things like sports tryouts, band and choir, and theater. Reviews and ratings from people who know the school are welcome.
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
- Mastery Prep Elementary CS0.0 mi · 598
- Mastery CS-Cleveland Elementary0.3 mi · 739
- Steel Edward School0.3 mi · 379
- Multicultural Academy CS0.4 mi · 254
- Kenderton Elementary School0.6 mi · 300
- Wissahickon CS0.8 mi · 965
Frequently asked questions
About Mastery CS-Gratz CampusHow many students attend Mastery CS-Gratz Campus?
Mastery CS-Gratz Campus enrolls approximately 1,048 students in grades 07-12.
Is Mastery CS-Gratz Campus an elementary, middle, or high school?
Mastery CS-Gratz Campus is a high school covering grades 07-12.
How many students per teacher at Mastery CS-Gratz Campus?
Approximately 15.0:1 students per teacher at Mastery CS-Gratz Campus.
How diverse is Mastery CS-Gratz Campus?
Mastery CS-Gratz Campus reports a student body of 0% White, 12% Hispanic, 85% Black, 0% Asian, 2% Two or more.
Is Mastery CS-Gratz Campus public or private?
Mastery CS-Gratz Campus is a public K-12 school operated as a charter, overseen by Mastery CS-Gratz Campus.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.