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SCHOOL COMMUNITY·MASTERY PREP ELEMENTARY CS·NCES 420090007662

Mastery Prep Elementary CS

1801 W. Pike Street, Philadelphia, PA 19140 · (215) 866-0067 · Philadelphia County
GRADES KG–06ELEMENTARY11-CITYCHARTERTITLE IREGULAR SCHOOL598 STUDENTS
Enrollment
598
Elementary
STATE 443
Student : Teacher
16.2:1
37 FTE teachers
STATE 13.1:1
Free / Reduced Lunch
99%
595 students
STATE 75%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
82
Grade 1
87
Grade 2
87
Grade 3
81
Grade 4
82
Grade 5
86
Grade 6
93
Student demographics
White
20%
STATE 60%
Hispanic
6511%
STATE 16%
Black
50985%
STATE 14%
Asian
10%
STATE 5%
Two+
193%
STATE 5%
Pacific Islander
20%
STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
30351%
Female
29549%

Discussions

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Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
31.3%
PA avg 51.1% . +6.6pp since 2023
Math
19.2%
PA avg 43.0% . +1.3pp since 2023
Source: PSSA + Keystone. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
25.9%
composite math + reading, all grades
Predicted
35.0%
based on PA schools with similar FRL share
Beats by
-9.0pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

About Mastery Prep Elementary CS

Mastery Prep Elementary CS operates as a reasonably sized elementary school in Philadelphia, Pennsylvania, overseen by Mastery Prep Elementary CS. Current enrollment sits at 598 students spanning grades K through 6. That puts it 35% above the typical public school in Pennsylvania, which averages around 443 students.

Mastery Prep Elementary CS sits inside Mastery Prep Elementary CS, the local public-school operator responsible for the campus.

For racial and ethnic makeup, Mastery Prep Elementary CS reports that the student body is overwhelmingly Black (85%). Other groups include 11% Hispanic, 3% multiracial. By comparison, Philadelphia County as a whole is about 39% Black, so the school skews considerably more Black than its surroundings.

Looking at school resources, Staff filings list 37 full-time-equivalent teachers, which works out to roughly 16.2:1 students per teacher. The state averages around 13.1:1, so this campus is higher than the state norm typical. Roughly 99% of students at Mastery Prep Elementary CS qualify for free or reduced-price lunch, often used as a Title I proxy.

After controlling for student poverty, Mastery Prep Elementary CS tracks the demographic baseline. The model predicts 35.0% given the school's FRL share; actual proficiency is 25.9%.

In the broader community, the surrounding county (Philadelphia County) shows that the typical household earns roughly $61,953 per year, 35% of adults hold a bachelor's degree or higher, and roughly 17% of residents live below the federal poverty line. In all, Philadelphia County runs 309 public schools (combined enrollment of about 182,005 students), of which Mastery Prep Elementary CS is one.

Nearest neighbor: Mastery CS-Gratz Campus, around 0.0 miles off. Counting just inside five miles, 8 other public schools cluster around Mastery Prep Elementary CS. Ranking that nearby cluster on reported proficiency puts Mastery Prep Elementary CS at 2nd of 9; the average score across the group is 18.9%.

Geographically, the school is in a metropolitan area. Mastery Prep Elementary CS operates as a public charter school, meaning it is publicly funded but governed independently of the surrounding district's traditional schools.

On allk12, recent activity here tends to focus on pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.

Philadelphia County at a glance

View full county profile
Population
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

School name
Mastery Prep Elementary CS
District
Mastery Prep Elementary CS
Address
1801 W. Pike Street, Philadelphia, PA 19140
Phone
(215) 866-0067
County
Philadelphia County
Level
Elementary
Grade range
KG–06
Total enrollment
598
Teachers (FTE)
37
Student–teacher ratio
16.2:1
Free/Reduced lunch
595 (99%)
Locale
11-City: Large
NCES ID
420090007662
Charter school
Yes
Virtual school
No

Related schools

Other schools in Philadelphia
Nearby schools

Frequently asked questions

About Mastery Prep Elementary CS
How large is Mastery Prep Elementary CS?
Mastery Prep Elementary CS enrolls approximately 598 students in grades KG-06.
Is Mastery Prep Elementary CS an elementary, middle, or high school?
Mastery Prep Elementary CS is an elementary school covering grades KG-06.
How many teachers does Mastery Prep Elementary CS have?
Mastery Prep Elementary CS employs 37 FTE teachers, for a student-to-teacher ratio of 16.2:1.
What is the student diversity at Mastery Prep Elementary CS?
Student demographics at Mastery Prep Elementary CS are roughly 0% White, 11% Hispanic, 85% Black, 0% Asian, 3% Two or more.
What district is Mastery Prep Elementary CS in?
Mastery Prep Elementary CS is part of Mastery Prep Elementary CS.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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