Skip to main content

Needs Improvement

#2729 of 2,846 schools in PA

Keystone Academy Cs

Elementary School · Keystone Academy CS

4521 Longshore Avenue, Philadelphia, PA 19135

Charter

Enrollment

663

Student-Teacher

15.4:1

Score

3.1

Grades

Kindergarten – 8th

Data vintage2022-23

How this school compares

Pennsylvania schools

#2,729 of 2,846

In Philadelphia

#266 of 300

public schools

School shortlistprofile + nearby

Shortlisting around Keystone Academy Cs?

Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.

Shortlist starter

Start with these real page-level signals, then use the full table and map below.

Keystone Academy Cs

3.1/10

Elementary School in Philadelphia · grades Kindergarten – 8th. Start here, then compare fit against nearby and district options.

Disston Hamilton Sch

2.3/10

0.2 mi away. Use as a geographic alternative in the same move search.

Forrest Edwin Sch

2.2/10

0.6 mi away. Use as a geographic alternative in the same move search.

About Keystone Academy Cs

Keystone Academy Cs is a public elementary school in Philadelphia, PA, part of Keystone Academy CS. Keystone Academy Cs serves approximately 663 students, and covers grades Kindergarten-8th, and has a 15.4:1 student-teacher ratio. Keystone Academy Cs has a current MySchoolScout rating of 3.1 out of 10 and ranks #2,729 of 2,846 schools in PA.

Structured state assessment records for Keystone Academy Cs show 42% math proficiency (multi-year average, 2009-2024) and 63% reading/ELA proficiency (multi-year average, 2009-2024).

How it compares3.3 pts below PA schools
  • This school 3.1 · Needs Improvement
  • PA avg 6.4

What Parents Should Know

Keystone Academy Cs is a charter school: publicly funded, but run with more independence than a traditional district school. Many charters are built around a specific model or focus, so it's worth understanding this one's mission, how enrollment works, and how it differs from the district schools nearby.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress1.4Needs Improvement50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-4.59 pts/yr
Data Period2009–2024
TrendDeclining
Academics5.2Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency24.6% (2024 PSSA)
Reading/ELA Proficiency47.2% (2024 PSSA)
Math vs. State Avg-26.9 pts
Reading vs. State Avg-8.6 pts
Overall Proficiency36% (2024 PSSA, Math+ELA)
Expected (poverty-adj.)38% (model expectation from 2024 PSSA)
vs. Expected-2.3 pts
Adjusted Percentile34th
Resources & Environment4.2Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio15.4:1
Per-Pupil Spending$15,991
Chronic Absenteeism19.2%

Keystone Academy Cs — Students at Keystone Academy Cs score 36% proficient, which is below what's typical for similar communities (expected: 38%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

88.1%

Students qualifying for federal meal assistance

Test Scores PA PSSA (2023-24)

Math Proficiency 41.8% (multi-year average, 2009-2024)
School
State
40.7% (2024 PSSA)
ELA Proficiency 62.5% (multi-year average, 2009-2024)
School
State
53.3% (2024 PSSA)

Based on 42 test records from PA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
97.5%
ELA
97.5%
2010
Math
97.5%
ELA
92%
2011
Math
98%
ELA
89%
2012
Math
86%
ELA
79%
2013
Math
83%
ELA
79%
2014
Math
24%
ELA
67%
2015
Math
30%
ELA
64%
2016
Math
28%
ELA
65%
2017
Math
34%
ELA
66%
2018
Math
38%
ELA
69%
2019
Math
38%
ELA
69%
2020*
Math
15%
ELA
48%
2021*
Math
15%
ELA
48%
2022
Math
21.8%
ELA
49.8%
2024
Math
24.5%
ELA
47.2%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 1.4/10.

How Keystone Academy Cs Compares

See how Keystone Academy Cs performs across key quality dimensions compared to state benchmarks.

Overall Score
3.1/10
4th percentile in PA
Academic
5.2/10
Average
Growth
1.4/10
Needs Improvement
Environment
4.2/10
Below Average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
88%
Teaching Staff
15:1 student-teacher ratio
43 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
19.2%

Location

4521 Longshore Avenue, Philadelphia, PA 19135

Nearby Alternatives

Families considering Keystone Academy Cs may also want to explore other elementary schools in the area. HOLMESBURG CHRISTIAN ACADEMY (rated 8.0/10, 1.2 miles away), which scores notably higher. Another option is NORTHEAST CENTRAL CHRISTIAN SCHOOL (rated 7.0/10, 1.3 miles away), which scores notably higher. Additionally, BLESSED TRINITY REGIONAL CATHOLIC SCHOOL (rated 6.9/10, 0.9 miles away), which scores notably higher. For more schools in Philadelphia, see our Philadelphia schools guide .

Nearby Schools

20 within 1.8 mi
School Distance Rating
Disston Hamilton Sch Philadelphia 0.2 mi 2.3
Forrest Edwin Sch Philadelphia 0.6 mi 2.2
Mayfair Sch Philadelphia 0.9 mi 3.6
Lincoln HS Philadelphia 1.1 mi 4.6
BLESSED TRINITY REGIONAL CATHOLIC SCHOOL Philadelphia 0.9 mi 6.9
Lawton Henry W Sch Philadelphia 0.9 mi 4.2
Holme Thomas Sch Philadelphia 1.3 mi 5.1
Allen Ethan Sch Philadelphia 1.0 mi 3.7
Northeast Community Propel Academy Philadelphia 1.3 mi 6.4
HOLMESBURG CHRISTIAN ACADEMY Philadelphia 1.2 mi 8.0
NORTHEAST CENTRAL CHRISTIAN SCHOOL Philadelphia 1.3 mi 7.0
New Foundations CS Philadelphia 1.1 mi 5.0
Brown Joseph Sch Philadelphia 1.5 mi 3.6
Solis-Cohen Solomon Sch Philadelphia 1.6 mi 3.6
Sullivan James J Sch Philadelphia 1.5 mi 3.4
FATHER JUDGE HIGH SCHOOL Philadelphia 1.8 mi 5.7
Franklin Towne CHS Philadelphia 1.8 mi 7.2
Palmyra High School Palmyra 1.9 mi 4.0
Palmyra Middle School Palmyra 1.9 mi 6.8
Maritime Academy CS Philadelphia 1.8 mi 2.9

Neighborhood Census ACS (2019-2023)

Census data for ZIP 19135 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$51,817

Median Home Value

$182,900

Median Rent

$1,197/mo

Population

34,234

College Educated

15.8%

Homeownership

62.2%

Avg Commute

34.8 min

Poverty Rate

23.5%

Median Age

33

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Donegan El Sch Bethlehem, PA 3.1
McKinley El Sch Erie, PA 3.1
Paxinosa El Sch Easton, PA 3.1
Roosevelt El Sch Allentown, PA 3.1
Catharine Joseph Sch Philadelphia, PA 3.0
Central El Sch Beaver Falls, PA 3.0

Frequently Asked Questions

Common questions about Keystone Academy Cs

What grades does Keystone Academy Cs serve?

Keystone Academy Cs serves students in grades Kindergarten through 8th.

How many students attend Keystone Academy Cs?

Keystone Academy Cs has an enrollment of approximately 663 students.

What is the student-teacher ratio at Keystone Academy Cs?

The student-teacher ratio at Keystone Academy Cs is 15.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Keystone Academy Cs rank in PA?

Keystone Academy Cs ranks #2,729 of 2,846 schools in PA.

What is Keystone Academy Cs's MySchoolScout rating?

Keystone Academy Cs has a current MySchoolScout rating of 3.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Keystone Academy Cs?

Based on loaded state assessment records, Keystone Academy Cs has 42% math proficiency (multi-year average, 2009-2024) and 63% reading/ELA proficiency (multi-year average, 2009-2024).

Is Keystone Academy Cs a charter school?

Yes, Keystone Academy Cs is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Keystone Academy Cs a Title I school?

No, Keystone Academy Cs is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Keystone Academy Cs?

88.1% of students at Keystone Academy Cs qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
85 Very Walkable
Transit Score
55 Good Transit
Bike Score
65 Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 8th
Enrollment
663
Student-Teacher Ratio
15.4:1
Teachers (FTE)
43
Free/Reduced Lunch
88.1%
Type
regular
Setting
Large City
County
Philadelphia County
Chronic Absenteeism (SY 2022-23)
19.2%

District

Keystone Academy CS
District Enrollment
663
Schools in District
1
Per-Pupil Spending
$15,991
District Rank
#1 of 1

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.