For the 2026 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 top-ranked 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%.
Top-Ranked 15143 Pennsylvania Private Schools (2026)
School
Location
Quick Facts
Eden Christian Academy
(Christian)
318 Nicholson Rd
Sewickley, PA 15143
(412) 741-2825
Sewickley, PA 15143
(412) 741-2825
Gr: PK-12 | 619 students Tuition listed
315 Academy Avenue
Sewickley, PA 15143
(412) 741-2230
Sewickley, PA 15143
(412) 741-2230
Gr: PK-12 | 532 students Avg. class size: 15 students Sports: 15 Tuition & acceptance rate listed
Watson Institute ![Watson Institute Photo - Staff and students had a blast at the annual Watson Fun Day!]( "Watson Institute Photo - Staff and students had a blast at the annual Watson Fun Day!")
Special Education School
301 Camp Meeting Rd
Sewickley, PA 15143
(141) 274-9285
Sewickley, PA 15143
(141) 274-9285
Gr: PK-12 | 179 students
474 Chadwick Street
Sewickley, PA 15143
(412) 741-8982
Sewickley, PA 15143
(412) 741-8982
Gr: PK-8 | 66 students Avg. class size: 11 students
Noah's Ark Preschool/kindergarten
Daycare / Preschool
405 Frederick Ave
Sewickley, PA 15143
(412) 741-5231
Sewickley, PA 15143
(412) 741-5231
Gr: PK-K | 106 students Tuition listed
St. James Elementary School
(Catholic)
201 Broad St
Sewickley, PA 15143
(412) 837-1056
Sewickley, PA 15143
(412) 837-1056
Gr: K-8 | 157 students
Frequently Asked Questions
What are the top-ranked private schools in 15143, PA?
The top-ranked 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%).
Recent Articles
How Private Schools Handle Mid-Year Enrollment Changes and Tuition Refunds
Learn how private schools manage mid-year withdrawals, transfers, tuition refunds, enrollment contracts, and what families should expect financially.
Is Paying More Worth It? Mid-Tuition vs. Premium Private Schools
Compare academic outcomes, college admissions, class sizes, and value between mid-tuition and premium private schools to determine whether higher tuition delivers better results.
Financial Aid Appeals: When Should You Ask a Private School to Reconsider an Award?
Learn when and how to appeal a private school financial aid award, what documents to provide, and strategies that improve your chances of success.
