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SCHOOL COMMUNITY·MASTERY CS-CLYMER ELEMENTARY·NCES 420084007400

Mastery CS-Clymer Elementary

1201 W Rush Street, Philadelphia, PA 19133 · (215) 227-8610 · Philadelphia County
GRADES KG–06ELEMENTARY11-CITYCHARTERTITLE IREGULAR SCHOOL419 STUDENTS
D
allk12 Grade
Scored higher than 8% of Pennsylvania public elementary schools
  • DTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • DBeats 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 elementary schools

Enrollment
419
Elementary
STATE 443
Student : Teacher
13.5:1
31 FTE teachers
STATE 13.1:1
Free / Reduced Lunch
99%
416 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, 2024-25

GradeStudentsShare
Kindergarten5914%
Grade 16415%
Grade 26315%
Grade 35814%
Grade 45814%
Grade 55814%
Grade 65914%

This year's kindergarten class (59) is about the same size as its 6th grade class (59).

Student demographics
33%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 59% · US 70%
White
41%
STATE 60% · US 43%
Hispanic
5714%
STATE 16% · US 30%
Black
33881%
STATE 14% · US 15%
Two+
143%
STATE 5% · US 5%
Native American
61%
STATE 0% · US 1%
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
Male
21752%
Female
20248%

Discussions

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Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
24.4%
PA avg 51.1% . +3.4pp since 2023
Math
19.7%
PA avg 43.0% . +10.9pp since 2023

What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 24 of every 100 students at this school read and write at grade level and about 20 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores are up about 3 points since 2023, while math scores are up about 11 points.

PSSA + Keystone results by year

School yearEnglish Language ArtsMath
2024-2524.4%19.7%
2023-2421.0%8.8%
% 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 · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
18.6%
composite math + reading, all grades
Predicted
35.0%
based on PA schools with similar FRL share
Beats by
-16.5pp
below demographic expectation

What this means: About 19% 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-Clymer Elementary

Mastery CS-Clymer Elementary's state test result (18.6% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Mastery CS-Clymer Elementary this school41999.3%18.6%
Roosevelt Theodore Middle School
Philadelphia
40099.3%10.1%
Guidon S Bluford Elementary School
Philadelphia
47699.4%9.1%
Morton Thomas G School
Philadelphia
35699.2%16.7%
John Story Jenks Academy for the Arts and Sciences
Philadelphia
39497.7%49.3%
Kelly John B School
Philadelphia
36596.4%22.1%
Matched among Pennsylvania elementary 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-Clymer Elementary ranks

Among elementary schools
MeasureThis schoolIn PennsylvaniaIn Philadelphia County
State test proficiency
ranked highest first
18.6%#1,306 of 1,396#104 of 161
Math proficiency
ranked highest first
19.7%#1,286 of 1,511
▲ 125
#71 of 193
▲ 48
Reading proficiency
ranked highest first
24.4%#1,288 of 1,511
▲ 97
#93 of 193
▲ 29
Enrollment
ranked largest first
419#800 of 1,638#104 of 194
Students per teacher
ranked fewest first
13.5:1#924 of 1,528#93 of 189
Diversity index
ranked most diverse first
32.9%#935 of 1,531#108 of 189
Free and reduced lunch
ranked highest share first
99.3%#355 of 1,600#87 of 193
Enrollment change since 2017-18
ranked steepest decline first
-28.0%#137 of 1,045#66 of 135
Ranked against other public elementary 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 2024-25
Enrollment
419
-57 (-12%) vs 2020
Student : Teacher
13.5:1
was 14.4:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-254193113.5:199% (416)
2023-244512915.6:199% (448)
2022-234483114.4:1N/A
2020-214763314.4:199% (473)
2017-185823815.3:199% (579)
2015-165403615.0:199% (537)
Source: NCES Common Core of Data. Rows are the federal collections on file for Mastery CS-Clymer Elementary.

Since 2017-18: students down 28% (582 to 419); teachers down 18% (38 to 31).

About Mastery CS-Clymer Elementary

Mastery CS-Clymer Elementary is an elementary school in Philadelphia, Pennsylvania, and it is part of Mastery CS-Clymer Elementary. It educates 419 students in kindergarten through 6.

In federal data, the district for Mastery CS-Clymer Elementary is the school itself.

At Mastery CS-Clymer Elementary, Black students make up 81% of the student body. Other students are 14% Hispanic and 3% multiracial. By comparison, Philadelphia County residents are about 39% Black. Mastery CS-Clymer Elementary has a diversity index of 33%, compared with 70% for all US public school students.

Mastery CS-Clymer Elementary counts 31 full-time-equivalent teachers, about 13.5 students for each one. Elementary schools in Pennsylvania have a similar average ratio of 13.1:1. About 99% of enrolled students meet the income rules for free or reduced-price lunch.

The allk12 Grade for Mastery CS-Clymer Elementary is D. Compared with Pennsylvania public elementary schools, the school scored higher than 8% on a mix of test scores, poverty-adjusted results, and recent trend.

The model predicts 35.0% for a school in Pennsylvania with Mastery CS-Clymer Elementary's free or reduced-price lunch share. Mastery CS-Clymer Elementary posts 18.6%.

Philadelphia County has these Census figures: median household income is about $61,953, about 35% of adults have at least a bachelor's degree, and the poverty rate is about 17%. Mastery CS-Clymer Elementary is among the 309 public schools in Philadelphia County.

The school nearest to Mastery CS-Clymer Elementary is KIPP North Philadelphia CS, at a distance of about 0.5 miles. Within five miles of Mastery CS-Clymer Elementary, there are at least 8 other public schools. Mastery CS-Clymer Elementary is 2nd of 7 nearby schools by average proficiency rate.

Federal records code the school's setting as City: Large. Mastery CS-Clymer Elementary is a public charter school.

The number of students declined from 476 to 419 over 4 years.

The allk12 site hosts a discussion page for Mastery CS-Clymer Elementary covering things like school events, clubs, and volunteer needs. Reviews and ratings from people who know the school are welcome.

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 CS-Clymer Elementary
District
Mastery CS-Clymer Elementary
Address
1201 W Rush Street, Philadelphia, PA 19133
Phone
(215) 227-8610
County
Philadelphia County
Level
Elementary
Grade range
KG–06
Total enrollment
419
Teachers (FTE)
31
Student–teacher ratio
13.5:1
Free and reduced lunch
416 (99%)
Locale
11-City: Large
NCES ID
420084007400
Charter school
Yes
Virtual school
No

Related schools

Other schools in Philadelphia
Nearby schools

Frequently asked questions

About Mastery CS-Clymer Elementary
How many students attend Mastery CS-Clymer Elementary?
Mastery CS-Clymer Elementary enrolls approximately 419 students in grades KG-06.
What age range does Mastery CS-Clymer Elementary serve?
Mastery CS-Clymer Elementary serves students from grade KG through grade 06.
How many teachers does Mastery CS-Clymer Elementary have?
Mastery CS-Clymer Elementary employs 31 FTE teachers, for a student-to-teacher ratio of 13.5:1.
What is the student diversity at Mastery CS-Clymer Elementary?
Student demographics at Mastery CS-Clymer Elementary are roughly 1% White, 14% Hispanic, 81% Black, 3% Two or more.
What district is Mastery CS-Clymer Elementary in?
Mastery CS-Clymer Elementary is part of Mastery CS-Clymer Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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