Mastery CS-Hardy Williams
Score 41.0/100: better than 41% of Pennsylvania combined schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools
Performance (state tests, 2024-25)
% proficient or advanced on state tests in Pennsylvania, all students. Colored bars are green when the school is at or above the average for similar Pennsylvania schools.
Results over time
How this school's published results have moved year by year. This school takes more than one kind of test and the mix changes from year to year, so the percentile is the fairer comparison over time.
All 17 published results by grade and test
As published by Pennsylvania Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.
| Subject | Grade | Test | Result | Students tested |
|---|---|---|---|---|
| English language arts | High school | Keystone | 52.3 | 107 |
| English language arts | Grade 3 | PSSA | 22.1 | 77 |
| English language arts | Grade 4 | PSSA | 21.3 | 80 |
| English language arts | Grade 5 | PSSA | 26.7 | 75 |
| English language arts | Grade 6 | PSSA | 25.9 | 81 |
| English language arts | Grade 7 | PSSA | 28.4 | 109 |
| English language arts | Grade 8 | PSSA | 34 | 106 |
| English language arts | All grades | PSSA | 26.9 | 528 |
| Math | High school | Keystone | 25 | 116 |
| Math | Grade 3 | PSSA | 27.6 | 76 |
| Math | Grade 4 | PSSA | 18.5 | 81 |
| Math | Grade 5 | PSSA | 14.1 | 78 |
| Math | Grade 6 | PSSA | 9.9 | 81 |
| Math | Grade 7 | PSSA | 15.5 | 110 |
| Math | Grade 8 | PSSA | 18.3 | 109 |
| Math | All grades | PSSA | 17.2 | 535 |
| Science | High school | Keystone | 18.2 | 110 |
School profile
- Grades
- K-12
- Students
- 1,190
- Type
- Combined school
- Charter school
- Yes
- Program
- Regular
Students
District and location
Contact
Philadelphia, PA 19143
"Typical" is the middle (median) combined school in Pennsylvania. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24).
Nearby combined schools
Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.
Explore schools around Philadelphia
Location
Official sources
Every figure on this page comes from published government data. Check the originals here; we refresh when states release new results.
U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD): school directory, grades served, enrollment and free/reduced-price lunch, 2023-24 and 2024-25. Spotted a mistake? Tell us.
Mastery CS-Hardy Williams at a glance
Mastery CS-Hardy Williams is a public combined school (a charter school) in Philadelphia, Pennsylvania, serving grades K-12. It is part of the Mastery CS-Hardy Williams school district. It has about 1,190 students (a typical Pennsylvania combined school has 644).
In 2024-25 state tests, 31% in English language arts (similar schools: 40%) and 19% in math (similar schools: 25%) reached the state standard (% proficient or advanced). On our score, which compares it only with other Pennsylvania combined schools, it scores 41.0 out of 100: better than 41% of them, ranking #56 of 94. Its English language arts result fell by 2 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.
Page updated 2026-10-12.