Top National Association of Independent Schools (NAIS) Private High Schools in Pennsylvania

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For the 2021 school year, there are 57 top private schools in Pennsylvania belonging to the National Association of Independent Schools (NAIS), serving 24,753 students.
The National Association of Independent Schools, governed by a board of trustees and staffed by approximately 40 individuals, is a membership organization and the national voice of independent education. NAIS represents approximately 1,400 independent schools and associations in the United States, and affiliates with independent schools abroad as well. We offer a broad variety of services and products. The NAIS Principles of Good Practice for member schools define high standards and ethical behavior in key areas of independent school operations.You can also find more schools membership associations in Pennsylvania.

Top National Association of Independent Schools (NAIS) Private High Schools (2021)

  • School Location Grades Students
  • AIM Academy
    AIM Academy Photo - MEETING LEARNING CHALLENGES WITH SCIENCE & LOVE: AT AIMAcademy, we recognize that children who learn differently need to be taught differently - and that's exactly what we do. Our passionately committed, highly-trained faculty employ techniques proven effective, and the results are remarkable. Each day we witness young people who doubted themselves in every way discover the gift of fearless learning.
    Special Education School
    (5)
     1200 River Road
    Conshohocken, PA 19428
    (215) 483-2461
    Grades: 1-12 | 384 students
  • The Crefeld School
    The Crefeld School Photo - The Crefeld School
    (4)
     8836 Crefeld Street
    Philadelphia, PA 19118
    (215) 242-5545
    Grades: 7-12 | 101 students
  • Delaware Valley Friends School
    Delaware Valley Friends School Photo - Delaware Valley Friends School is a national leader in the field of educating students (grades 1-12) with dyslexia, dysgraphia, executive function disorders, ADHD, and other learning differences located in the Philadelphia area.
    Special Education School (Friends)
    (10)
     19 E Central Ave
    Paoli, PA 19301
    (610) 640-4150
    Grades: 1-12 | 204 students
  • The Ellis School
    The Ellis School Photo
    All-girls
    (17)
     6425 Fifth Avenue
    Pittsburgh, PA 15206
    (412) 661-5992
    Grades: PK-12 | 399 students
  • Germantown Academy
    Germantown Academy Photo - Second grade students research various species in the Wissahickon Creek, which runs through the heart of GA's campus.
    (2)
     340 Morris Rd
    Fort Washington, PA 19034
    (267) 405-7070
    Grades: PK-12 | 1,183 students
  • The Phelps School
    The Phelps School Photo - We are LIVE and IN PERSON! Proper COVID protocols being followed allowing us to continue our objective of transformation and maximization.
    All-boys
    (9)
     583 Sugartown Road
    Malvern, PA 19355
    (610) 644-1754
    Grades: 6-12 | 110 students
  • Abington Friends School
    Abington Friends School Photo
    (Friends)
    (3)
     575 Washington Ln
    Jenkintown, PA 19046
    (215) 576-3984
    Grades: PK-12 | 589 students
  • Academy Of The New Church Secondary Schools
    Academy Of The New Church Secondary Schools Photo - At the Academy of the New Church - an accredited, private, 9th through 12th grade Girls School and Boys School - we prepare students for a principled and useful life in both the natural and spiritual worlds. Through challenging academics and full extracurricular participation, our students enjoy many opportunities to find their balance.
    All-girls
     2815 Benade Cir
    Bryn Athyn, PA 19009
    (267) 502-2539
    Grades: 9-12 | 217 students
  • Academy-notre Dame De Namur
    All-girls (Roman Catholic)
     560 Sproul Rd
    Villanova, PA 19085
    (610) 687-0650
    Grades: 6-12 | 536 students
  • The Agnes Irwin School
    The Agnes Irwin School Photo
    All-girls
    (2)
     275 S Ithan Ave
    Bryn Mawr, PA 19010
    (610) 525-8400
    Grades: NS-12 | 587 students
  • ATG Learning Acacdemy
    ATG Learning Acacdemy Photo
    Special Education School
    (1)
     3400 Pickertown Rd Suite 2
    Chalfont, PA 18914
    (267) 803-1751
    Grades: 1-12 | 32 students
  • The Baldwin School
    The Baldwin School Photo - Girls sometimes learn that the effect they predicted on paper isn't always what happens in the test tube, and that rethinking a reaction-- or learning about the world and coming up with a smart, new prediction-- is the real solution.
    All-girls
     701 Montgomery Avenue
    Bryn Mawr, PA 19010
    (610) 525-2700
    Grades: PK-12 | 575 students
  • Calvary Baptist Academy
    (Baptist)
     11394 Route 286 Hwy E
    Clymer, PA 15728
    (724) 254-9411
    Grades: PK-12 | 47 students
  • The Church Farm School
    The Church Farm School Photo - Church Farm School recently underwent a $15M campus modernization project, creating new student learning spaces, a Center for the Arts and a more accessible campus.
    All-boys (Episcopal)
     1001 E Lincoln Hwy
    Exton, PA 19341
    (610) 363-7500
    Grades: 9-12 | 180 students
  • The City School
    The City School Photo - We are The City School
    (Christian)
    (1)
     910 N. 6th Street (Multiple Campus Locations)
    Philadelphia, PA 19123
    (215) 792-6224
    Grades: PK-12 | 546 students
  • Devon Preparatory School
    Devon Preparatory School Photo - Each year members of Devon Prep's Christian Action Program (CAP) collects and delivers thousands of food items to an inner city community center for Thanksgiving.
    All-boys (Roman Catholic)
    (1)
     363 N. Valley Forge Road
    Devon, PA 19333
    (610) 688-7337
    Grades: 6-12 | 294 students
  • Dock Mennonite Academy
    Dock Mennonite Academy Photo - The Rosenberger Academic Center features state of the art facilities in science, family and consumer science, a robotics course, and a beautiful new library. Schedule your visit to Dock today!
    (Mennonite)
     1000 Forty Foot Road
    Lansdale, PA 19446
    (215) 362-2675
    Grades: NS-12 | 840 students
  • Friends Select School
    (Friends)
     17th St & Benjamin Franklin
    Philadelphia, PA 19103
    (215) 561-5900
    Grades: PK-12 | 600 students
  • Friends' Central School
    Friends' Central School Photo - Friends' Central School is an independent, coeducational, Quaker, college-preparatory day school for Nursery through grade 12 students. Located on 41 acres across two campuses in Wynnewood, Pa., Friends' Central cultivates the intellectual, spiritual, and ethical promise of students. Since 1845, Friends' Central has been educating for excellence, inspiring tomorrow's leaders, honoring each individual, and encouraging students to peacefully transform the world.
    (Friends)
    (1)
     1101 City Avenue
    Wynnewood, PA 19096
    (610) 649-7440
    Grades: NS-12 | 753 students
  • George School
    (Friends)
     1690 Newtown Langhorne Road
    Newtown, PA 18940
    (215) 579-6547
    Grades: 9-12 | n/a students
  • Germantown Friends School
    Germantown Friends School Photo
    (Friends)
     31 W Coulter Street
    Philadelphia, PA 19144
    (215) 951-2300
    Grades: NS-12 | 1,071 students
  • Girard Alliance Christian Academy
    (Christian)
     229 Rice Ave
    Girard, PA 16417
    (814) 774-9537
    Grades: NS-12 | 56 students
  • Girard College
    Girard College Photo - Field trips take advantage of the numerous and varied museums and historic sites in Philadelphia. These first graders are sketching at PAFA (Pennsylvania Academy of Fine Arts).
    (2)
     2101 S College Ave
    Philadelphia, PA 19121
    (215) 787-2600
    Grades: 1-12 | 295 students
  • Grier School
    Grier School Photo
    All-girls | Special Program Emphasis
    (1)
     2522 Grier School Road
    Tyrone, PA 16686
    (814) 684-3000
    Grades: 7-12 | 274 students
  • The Haverford School
    The Haverford School Photo - The crew team spent one of its preseason practices at Rushton Farm, a local CSA, harvesting potatoes, weeding the greenhouses, and clearing tomato plants.
    All-boys
    (1)
     450 Lancaster Ave.
    Haverford, PA 19041
    (610) 642-3020
    Grades: PK-12 | 977 students
  • Hill Top Preparatory School
    Special Education School
     737 S Ithan Ave
    Bryn Mawr, PA 19010
    (610) 527-3230
    Grades: 5-12 | 73 students
  • Holy Ghost Prep
    All-boys (Roman Catholic)
    (1)
     2429 Bristol Pike
    Bensalem, PA 19020
    (215) 639-2102
    Grades: 9-12 | 491 students
  • Horizons At Lcds
    Horizons At Lcds Photo
    (1)
     725 Hamilton Road
    Lancaster, PA 17603
    (717) 392-2916
    Grades: PK-12 | 458 students
  • Jack M Barrack Hebrew Academy
    Jack M Barrack Hebrew Academy Photo
    (Jewish)
    (10)
     272 S Bryn Mawr Ave
    Bryn Mawr, PA 19010
    (610) 922-2312
    Grades: 6-12 | 374 students
  • The Janus School
    The Janus School Photo - The Janus School
    Special Education School
     205 Lefever Road
    Mount Joy, PA 17552
    (717) 653-0025
    Grades: 3-12 | 70 students
  • Kimberton Waldorf School
    Kimberton Waldorf School Photo
    Special Program Emphasis
    (5)
     410 W Seven Stars Rd
    Phoenixville, PA 19460
    (610) 933-3635
    Grades: PK-12 | 253 students
  • The Kiski School
    The Kiski School Photo - Kiski students learning the skills required to be an arborist.
    All-boys
     1888 Brett Ln
    Saltsburg, PA 15681
    (724) 639-3586
    Grades: 9-12 | 203 students
  • La Salle College High School
    All-boys (Roman Catholic)
    (1)
     8605 Cheltenham Avenue
    Glenside, PA 19038
    (215) 233-2911
    Grades: 9-12 | 1,108 students
  • Linden Hall
    Linden Hall Photo
    All-girls
    (2)
     212 E Main St
    Lititz, PA 17543
    (717) 626-8512
    Grades: 6-12 | 173 students
  • Malvern Preparatory School
    Malvern Preparatory School Photo
    All-boys (Roman Catholic)
     418 S. Warren Avenue
    Malvern, PA 19355
    (484) 595-1100
    Grades: 6-12 | 634 students
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