charter schoolmiddleK-8

Keystone Academy Cs

4521 Longshore Avenue, Philadelphia, PA 19135, United States

+1 (215) 332-2111

http://www.keystoneacademycs.org

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Keystone Academy Cs Overview

About This School

Keystone Academy Cs is a charter school middle in Philadelphia, Pennsylvania, serving 642 students in grades K-8. The school maintains a student-teacher ratio of 15:1 with 42 teachers on staff, while the average teacher salary is $77,780. Support services include a counselor-to-student ratio of 321:1. Students at the school are evenly divided between male and female populations. The demographic makeup consists of 36% Black, 34% Hispanic, 17% White, 7% Asian, and 5% students of two or more races.

642

Total Students

K-8

15:1

Student-Teacher Ratio

42 full-time teachers

Academic Performance

Percentage of students who met or exceeded state standards

English Language Arts0%

Mathematics0%

Science0%

School Information

School Type

charter school

Grade Levels

K-8

County

Philadelphia County

Students per Counselor

321:1

Keystone Academy Cs Academics & Test Scores

Test Scores

State assessment results showing percentage of students proficient or above

N/A

English Language Arts

N/A

Mathematics

N/A

Science

Class Information

15:1

Student-Teacher Ratio

City Avg: 14.4:1

State Avg: 12.6:1

321

Students per Counselor

Keystone Academy Cs Teachers & Staff

Teaching Staff

Total Full-Time Teachers

Average Teacher Salary

$77,780

City Avg: $74,517

State Avg: $81,409

Based on state average salaries for full-time teachers

Support Staff

Student-Teacher Ratio15:1

Students per Counselor321:1

Keystone Academy Cs Student Demographics

Student Body

49.84%

Male

50.16%

Female

Total Enrollment: 642 students

Racial & Ethnic Diversity

White17.13%

Hispanic34.27%

Asian7.48%

Black36.29%

Two or More Races4.83%

Native American0%

Keystone Academy Cs Reviews

Frequently Asked Questions About Keystone Academy Cs

Q: What is Keystone Academy Cs?

A: Keystone Academy Cs is a middle charter school located in Philadelphia.

Q: How many students attend Keystone Academy Cs?

A: Keystone Academy Cs has approximately 642 students enrolled.

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

A: The student-teacher ratio at Keystone Academy Cs is 15:1.

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Rating

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Detailed Information about Keystone Academy Cs

Data sourced from NCES, CCD, and state education agencies. Last verified: May 2026. See methodology →

Schoolary Research Team

Verified with NCES & state education agency data

About Keystone Academy Cs - Philadelphia, PA

Quick Facts about Keystone Academy Cs
School Name	Keystone Academy Cs
School Type	charter school
Grade Levels	K-8
Location	4521 Longshore Avenue, Philadelphia, PA 19135, Philadelphia, PA
County	Philadelphia County
Phone	+1 (215) 332-2111
Total Students	642
Student-Teacher Ratio	15:1
Full-Time Teachers	42
Rating	/10
ELA Proficiency	%
Math Proficiency	%
Science Proficiency	%

Frequently Asked Questions about Keystone Academy Cs

What is Keystone Academy Cs?

Keystone Academy Cs is a middle charter school located in Philadelphia.

How many students attend Keystone Academy Cs?

Keystone Academy Cs has approximately 642 students enrolled.

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

The student-teacher ratio at Keystone Academy Cs is 15:1.

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