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Best 15143 Pennsylvania Private Schools (2026-27)

For the 2026-27 school year, there are 6 private schools serving 1,659 students in 15143, PA (there are 5 public schools, serving 3,198 public students). 34% of all K-12 students in 15143, PA are educated in private schools (compared to the PA state average of 14%).

The private schools in 15143, PA include Watson Institute, Eden Christian Academy, and Sewickley Academy.

The average acceptance rate is 25%, which is lower than the Pennsylvania private school average acceptance rate of 81%.

50% of private schools in 15143, PA are religiously affiliated (most commonly Catholic and Other).

Quick Facts (2026-27)

# Private Schools: 6
# Students Served: 1,659
Average Tuition: $24,858
% Students of Color: 18%
View 15143 Pennsylvania School Trends

Quick Facts (2026-27)

# Private Schools: 6
# Students Served: 1,659
Average Tuition: $24,858
% Students of Color: 18%
View 15143 Pennsylvania School Trends

Top Ranked 15143 Pennsylvania Private Schools (2026-27)

Eden Christian Academy

Gr: PK-12 | 619 students

Christian

318 Nicholson Rd

Sewickley, PA 15143

(412) 741-2825

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Sewickley Academy

Gr: PK-12 | 532 students

Avg. class size: 15 students

Sports: 15

315 Academy Avenue

Sewickley, PA 15143

(412) 741-2230

(10)

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Watson Institute

Gr: PK-12 | 179 students

Special Education School

301 Camp Meeting Rd

Sewickley, PA 15143

(141) 274-9285

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Montessori Children's Community

Gr: PK-8 | 66 students

Avg. class size: 11 students

Montessori School

474 Chadwick Street

Sewickley, PA 15143

(412) 741-8982

(4)

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Noah's Ark Preschool/kindergarten

Gr: PK-K | 106 students

Daycare / Preschool

405 Frederick Ave

Sewickley, PA 15143

(412) 741-5231

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St. James Elementary School

Gr: K-8 | 157 students

Catholic

201 Broad St

Sewickley, PA 15143

(412) 837-1056

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Frequently Asked Questions

What are the top ranked private schools in 15143, PA?

The private schools in 15143, PA include Watson Institute, Eden Christian Academy, and Sewickley Academy.

How many private schools are located in 15143?

6 private schools are located in 15143.

How diverse are private schools in 15143?

15143 private schools are approximately 18% minority students, which is lower than the Pennsylvania private school average of 27%.

What percentage of students in 15143 go to private school?

34% of all K-12 students in 15143 are educated in private schools (compared to the PA state average of 14%).

What percentage of private schools are religiously affiliated in 15143?

50% of private schools in 15143 are religiously affiliated (most commonly Catholic and Other).

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