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Pennsylvania Private High Schools Belonging to National Association of Independent Schools (NAIS)

For the 2026-27 school year, there are 61 private high schools belonging to National Association of Independent Schools (NAIS) serving 27,331 students in Pennsylvania. You can also find more schools membership associations in Pennsylvania.
The top ranked private high schools belonging to National Association of Independent Schools (NAIS) in Pennsylvania include Grier School, Germantown Friends School, and The Haverford School.
The average tuition cost is $38,743, which is higher than the Pennsylvania private high school average tuition cost of $17,932.
46% of private high schools belonging to National Association of Independent Schools (NAIS) in Pennsylvania are religiously affiliated (most commonly Catholic and Friends).

Quick Facts (26-27)

  • # Private Schools: 61

Quick Facts (26-27)

  • # Private Schools: 61

Top Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in Pennsylvania (2026-27)

Abington Friends School Photo
Abington Friends School
Gr: PK-12 | 604 students
Avg. class size: 13 students
Sports: 13 | Extracurriculars: 19
Friends
575 Washington Ln
Jenkintown, PA 19046
(215) 576-3950
(3)
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AIM Academy Photo
AIM Academy
Gr: 1-12 | 397 students
Sports: 7 | Extracurriculars: 19
Special Education School
1200 River Road
Conshohocken, PA 19428
(215) 483-2461
(5)
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The Crefeld School Photo
The Crefeld School
Gr: 7-12 | 89 students
Avg. class size: 10 students
Sports: 3 | Extracurriculars: 14
8836 Crefeld Street
Philadelphia, PA 19118
(215) 242-5545
(5)
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Delaware Valley Friends School Photo
Delaware Valley Friends School
Gr: 1-12 | 208 students
Avg. class size: 8 students
Sports: 8 | Extracurriculars: 29
Special Education School (Friends)
19 E Central Ave
Paoli, PA 19301
(610) 640-4150
(11)
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Germantown Academy Photo
Germantown Academy
Gr: PK-12 | 1,225 students
Avg. class size: 17 students
Sports: 20 | Extracurriculars: 29
340 Morris Rd
Fort Washington, PA 19034
(267) 405-7070
(5)
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Kimberton Waldorf School Photo
Kimberton Waldorf School
Gr: PK-12 | 240 students
Avg. class size: 15 students
Sports: 6 | Extracurriculars: 4
410 W Seven Stars Rd
Phoenixville, PA 19460
(610) 933-3635
(5)
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Milton Hershey School Photo
Milton Hershey School
Gr: PK-12 | 2,189 students
Avg. class size: 15 students
Sports: 15 | Extracurriculars: 46
Alternative School
1201 Homestead Ln
Hershey, PA 17033
(800) 322-3248
(2)
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Westtown School Photo
Westtown School
Gr: PK-12 | 693 students
Avg. class size: 15 students
Sports: 19 | Extracurriculars: 61
Friends
975 Westtown Road
West Chester, PA 19382
(610) 399-7900
(10)
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The Phelps School Photo
The Phelps School
Gr: 6-12 | 89 students
Avg. class size: 7 students
Sports: 7 | Extracurriculars: 7
All-boys
583 Sugartown Road
Malvern, PA 19355
(610) 644-1754
(11)
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Academy Of The New Church Secondary Schools Photo
Academy Of The New Church Secondary Schools
Gr: 9-12 | 175 students
Avg. class size: 12 students
Sports: 12 | Extracurriculars: 11
2815 Benade Cir
Bryn Athyn, PA 19009
(267) 502-2500
(5)
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Map of Academy-notre Dame De Namur
Academy-notre Dame De Namur
Gr: 6-12 | 542 students
All-girls (Catholic)
560 Sproul Rd
Villanova, PA 19085
(610) 687-0650
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The Agnes Irwin School Photo
The Agnes Irwin School
Gr: NS-12 | 673 students
Avg. class size: 15 students
Sports: 14
All-girls
275 S Ithan Ave
Bryn Mawr, PA 19010
(610) 801-1869
(3)
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The Baldwin School Photo
The Baldwin School
Gr: PK-12 | 565 students
Sports: 14
All-girls
701 Montgomery Avenue
Bryn Mawr, PA 19010
(610) 525-2700
(2)
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The Church Farm School Photo
The Church Farm School
Gr: 9-12 | 147 students
Avg. class size: 10 students
Sports: 11 | Extracurriculars: 15
All-boys (Episcopal)
1001 E Lincoln Hwy
Exton, PA 19341
(610) 363-7500
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Cristo Rey Philadelphia High School Photo
Cristo Rey Philadelphia High School
Gr: 9-12 | 522 students
Avg. class size: 25 students
Sports: 11 | Extracurriculars: 20
Catholic
1717 W. Allegheny Ave.
Philadelphia, PA 19132
(215) 219-3943
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Devon Preparatory School Photo
Devon Preparatory School
Gr: 6-12 | 325 students
Avg. class size: 14 students
Sports: 16 | Extracurriculars: 24
All-boys (Catholic)
363 N. Valley Forge Road
Devon, PA 19333
(610) 688-7337
(3)
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Dock Mennonite Academy Photo
Dock Mennonite Academy
Gr: PK-12 | 642 students
Avg. class size: 18 students
Sports: 12
Mennonite
1000 Forty Foot Road
Lansdale, PA 19446
(215) 362-2675
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The Ellis School Photo
The Ellis School
Gr: PK-12 | 403 students
Avg. class size: 12 students
Sports: 10
All-girls
6425 Fifth Avenue
Pittsburgh, PA 15206
(412) 661-5992
(18)
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Friends Central School Photo
Friends Central School
Gr: NS-12
Avg. class size: 14 students
Sports: 17 | Extracurriculars: 10
Friends
1101 City Avenue
Wynnewood, PA 19096
(610) 649-7440
(1)
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Map of Friends Select School
Friends Select School
Gr: PK-12 | 600 students
Friends
17th St & Benjamin Franklin
Philadelphia, PA 19103
(215) 561-5900
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George School Photo
George School
Gr: 9-12 | 544 students
Avg. class size: 13 students
Sports: 21 | Extracurriculars: 22
Friends
1690 Newtown Langhorne Road
Newtown, PA 18940
(215) 579-6547
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Germantown Friends School Photo
Germantown Friends School
Gr: NS-12 | 1,157 students
Sports: 14 | Extracurriculars: 74
Friends
31 W Coulter Street
Philadelphia, PA 19144
(215) 951-2300
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Girard College Photo
Girard College
Gr: 1-12 | 392 students
Avg. class size: 14 students
Sports: 17 | Extracurriculars: 13
2101 S College Ave
Philadelphia, PA 19121
(215) 787-2621
(2)
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The Grayson School Photo
The Grayson School
Gr: PK-12 | 164 students
Sports: 6 | Extracurriculars: 14
Specialized Curriculum
211 Matsonford Road
Wayne, PA 19087
(484) 428-3241
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Grier School Photo
Grier School
Gr: 7-12 | 298 students
Avg. class size: 9 students
Sports: 17 | Extracurriculars: 31
All-girls
2522 Grier School Road
Tyrone, PA 16686
(814) 684-3000
(1)
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Harrisburg Academy Photo
Harrisburg Academy
Gr: NS-12 | 356 students
Avg. class size: 15 students
Sports: 9 | Extracurriculars: 12
10 Erford Road
Lemoyne, PA 17043
(717) 763-7811
(6)
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The Haverford School Photo
The Haverford School
Gr: PK-12 | 960 students
Avg. class size: 16 students
Sports: 18 | Extracurriculars: 32
All-boys
450 Lancaster Ave.
Haverford, PA 19041
(610) 642-3020
(1)
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Map of Holy Ghost Prep
Holy Ghost Prep
Gr: 9-12 | 419 students
Sports: 16
All-boys (Catholic)
2429 Bristol Pike
Bensalem, PA 19020
(215) 639-2102
(1)
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Jack M Barrack Hebrew Academy Photo
Jack M Barrack Hebrew Academy
Gr: 6-12 | 345 students
Avg. class size: 15 students
Sports: 13 | Extracurriculars: 14
Specialized Curriculum (Jewish)
272 S Bryn Mawr Ave
Bryn Mawr, PA 19010
(610) 922-2347
(11)
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The Janus School Photo
The Janus School
Gr: K-12 | 61 students
Avg. class size: 5 students
Sports: 1 | Extracurriculars: 3
Special Education School
205 Lefever Road
Mount Joy, PA 17552
(717) 653-0025
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The Kiski School Photo
The Kiski School
Gr: 9-12 | 200 students
Avg. class size: 7 students
Sports: 12 | Extracurriculars: 17
1888 Brett Ln
Saltsburg, PA 15681
(724) 639-8035
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Map of La Salle College High School
La Salle College High School
Gr: 9-12 | 1,141 students
Avg. class size: 18 students
Sports: 23
All-boys (Catholic)
8605 Cheltenham Avenue
Glenside, PA 19038
(215) 233-2911
(2)
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Lancaster Country Day School Photo
Lancaster Country Day School
Gr: PK-12 | 568 students
Avg. class size: 12 students
Sports: 15
725 Hamilton Road
Lancaster, PA 17603
(717) 392-2916
(1)
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Linden Hall Photo
Linden Hall
Gr: 6-12 | 93 students
Avg. class size: 8 students
Sports: 16 | Extracurriculars: 17
All-girls
212 E Main St
Lititz, PA 17543
(717) 626-8512
(3)
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Malvern Preparatory School Photo
Malvern Preparatory School
Gr: 6-12 | 679 students
Avg. class size: 15 students
Sports: 18
All-boys (Catholic)
418 S. Warren Avenue
Malvern, PA 19355
(484) 595-1100
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Show 26 more private schools in Pennsylvania (out of 61 total schools)
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Frequently Asked Questions

What are the top ranked private high schools belonging to National Association of Independent Schools (NAIS) in Pennsylvania?
The top ranked private high schools belonging to National Association of Independent Schools (NAIS) in Pennsylvania include Grier School, Germantown Friends School, and The Haverford School.
How many private high schools belonging to National Association of Independent Schools (NAIS) are located in Pennsylvania?
61 private high schools belonging to National Association of Independent Schools (NAIS) are located in Pennsylvania.
How much do private high schools belonging to National Association of Independent Schools (NAIS) cost in Pennsylvania?
The average tuition cost is $38,743, which is higher than the Pennsylvania private school average tuition cost of $17,932.
How diverse are private high schools belonging to National Association of Independent Schools (NAIS) in Pennsylvania?
Pennsylvania private high schools belonging to National Association of Independent Schools (NAIS) are approximately 31% minority students, which is higher than the Pennsylvania private school average of 27%.
What percentage of private high schools belonging to National Association of Independent Schools (NAIS) are religiously affiliated in Pennsylvania?
46% of private high schools belonging to National Association of Independent Schools (NAIS) in Pennsylvania are religiously affiliated (most commonly Catholic and Friends).
57
Private Schools
27,331
Students
$38,743
Avg. Tuition
31%
Students of Color
8:1
Student-Teacher Ratio

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