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Which teacher or staff member at Mastery CS-Hardy Williams deserves more recognition?
Community prompt from u/allk12. Replies below.
Enrollment
1,253
Combined
STATE 1,819
SCHOOL COMMUNITY·MASTERY CS-HARDY WILLIAMS·NCES 420006200504
Mastery CS-Hardy Williams
5400 Warrington Street, Philadelphia, PA 19143 · (215) 724-2343 · Philadelphia County
GRADES KG–12COMBINED11-CITYCHARTERTITLE IREGULAR SCHOOL1,253 STUDENTS
C+
allk12 Grade
Scored higher than 41% of Pennsylvania public K-12 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 K-12 schools
Student : Teacher
18.9:1
66 FTE teachers
STATE 15.5:1
Free / Reduced Lunch
95%
1,191 students
STATE 75%
Community
1
0 members
Enrollment and student:teacher ratio compared against other combined schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 70 | 6% |
| Grade 1 | 77 | 6% |
| Grade 2 | 83 | 7% |
| Grade 3 | 84 | 7% |
| Grade 4 | 88 | 7% |
| Grade 5 | 83 | 7% |
| Grade 6 | 87 | 7% |
| Grade 7 | 117 | 9% |
| Grade 8 | 128 | 10% |
| Grade 9 | 116 | 9% |
| Grade 10 | 108 | 9% |
| Grade 11 | 122 | 10% |
| Grade 12 | 90 | 7% |
This year's kindergarten class (70) is 45% smaller than its 8th grade class (128).
Student demographics
10%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
26.9%
PA avg 51.1% . -4.0pp since 2023
Math
17.2%
PA avg 43.0% . -0.4pp since 2023
What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 27 of every 100 students at this school read and write at grade level and about 17 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 4 points since 2023, while math scores have held steady.
PSSA + Keystone results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 26.9% | 17.2% |
| 2023-24 | 30.9% | 17.6% |
% 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
25.3%
composite math + reading, all grades
Predicted
36.9%
based on PA schools with similar FRL share
Beats by
-11.5pp
below demographic expectation
What this means: About 25% of students here test proficient in math and reading, compared with the roughly 37% 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 →
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,253
+18 (+1%) vs 2020
+98% since 2000-01, when it was 633
Student : Teacher
18.9:1
was 17.4:1
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 | 1,253 | 66.2 | 18.9:1 | 95% (1,191) |
| 2023-24 | 1,190 | 68 | 17.5:1 | 100% (1,187) |
| 2022-23 | 1,215 | 69.4 | 17.5:1 | N/A |
| 2020-21 | 1,235 | 71 | 17.4:1 | 100% (1,230) |
| 2017-18 | 1,229 | 67.2 | 18.3:1 | 99% (1,220) |
| 2015-16 | 1,144 | 76 | 15.1:1 | 100% (1,144) |
| 2010-11 | 828 | 45 | 18.4:1 | 100% (825) |
| 2000-01 | 633 | 27 | 23.4:1 | 0% (0) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mastery CS-Hardy Williams.
Since 2017-18: students up 2% (1,229 to 1,253); teachers down 1% (67.2 to 66.2).
About Mastery CS-Hardy Williams
Mastery CS-Hardy Williams is one of the public schools in Philadelphia, Pennsylvania. It is a low-enrollment combined-grade school. It serves 1,253 students in kindergarten through 12. For comparison, combined schools in Pennsylvania average about 1,819 students.
Federal records list Mastery CS-Hardy Williams as its own district.
The large majority of students at Mastery CS-Hardy Williams, 95%, are Black. Other reported shares: 3% Hispanic. Philadelphia County's residents are about 39% Black, 55 points below the school's share. The chance that two students picked at random at Mastery CS-Hardy Williams belong to different racial or ethnic groups, known as the diversity index, is 10%.
At Mastery CS-Hardy Williams, 66.2 full-time-equivalent teachers work with students, a ratio of about 18.9:1. For comparison, combined schools in Pennsylvania average 15.5:1. Roughly 95% of the student body qualifies for free or reduced-price lunch. That is close to the 95% average for public schools in Philadelphia County.
The allk12 Grade for Mastery CS-Hardy Williams is C+. Compared with Pennsylvania public K-12 schools, the school scored higher than 41% on a mix of test scores, poverty-adjusted results, and recent trend.
Mastery CS-Hardy Williams posts an average proficiency rate on state tests of 25.3%, compared with a predicted 36.9%. It is not in the top or bottom 10% of Pennsylvania schools on BeatsExpectations.
Among Philadelphia County residents, median household income is about $61,953, 35% of adults hold a bachelor's degree or higher, and about 17% of people live in poverty. Federal data list 309 public schools in Philadelphia County, with a combined enrollment of about 182,005.
Independence CS West is the public school closest to Mastery CS-Hardy Williams, about 0.3 miles away. Inside a five-mile radius, there are at least 8 other public schools. On average proficiency, Mastery CS-Hardy Williams is 2nd of 7 nearby schools with test data.
NCES assigns Mastery CS-Hardy Williams the locale City: Large, meaning inside a principal city with a population of 250,000 or more. NCES lists Mastery CS-Hardy Williams as a charter school.
From 2020-21 to 2024-25, enrollment held near 1,253, starting from 1,235. Its ratio of students to teachers was 17.4:1 in 2020-21, and 18.9:1 in 2024-25.
Topics for discussion here include sports tryouts, band and choir, and theater. Alumni can share how the school prepared them.
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
- Independence CS West0.3 mi · 811
- Longstreth William C School0.3 mi · 314
- Mitchell Elementary School0.4 mi · 283
- Harrington Avery D School0.4 mi · 274
- Comegys Benjamin B School0.5 mi · 252
- Mastery CS-Harrity Campus0.7 mi · 750
Frequently asked questions
About Mastery CS-Hardy WilliamsHow many students attend Mastery CS-Hardy Williams?
Mastery CS-Hardy Williams enrolls approximately 1,253 students in grades KG-12.
What age range does Mastery CS-Hardy Williams serve?
Mastery CS-Hardy Williams serves students from grade KG through grade 12.
How many students per teacher at Mastery CS-Hardy Williams?
Approximately 18.9:1 students per teacher at Mastery CS-Hardy Williams.
What is the racial breakdown of students at Mastery CS-Hardy Williams?
At Mastery CS-Hardy Williams, the student body is approximately 0% White, 3% Hispanic, 95% Black, 0% Asian, 2% Two or more.
Is Mastery CS-Hardy Williams public or private?
Mastery CS-Hardy Williams is a public K-12 school operated as a charter, overseen by Mastery CS-Hardy Williams.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.