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Cedarwood Waldorf School Photo - Annual Lantern Walk

Cedarwood Waldorf School

Best Oregon �� Schools Belonging to Membership Associations (2026)

For the 2026 school year, there are 292 private schools belonging to membership associations in Oregon.

The most popular school membership associations are Association of Christian Schools International (ACSI) (19% of schools), Other school association(s) (17% of schools) and National Catholic Educational Association (NCEA) (16% of schools).

Abiqua School Photo - Learning beyond the classroom is a priority at Abiqua School. Multiple field trips throughout the school year intersect with classroom themes. Students are able to gain a different perspective that instills lifelong skills.

Abiqua School Photo - Learning beyond the classroom is a priority at Abiqua School. Multiple field trips throughout the school year intersect with classroom themes. Students are able to gain a different perspective that instills lifelong skills.

Bridges Middle School Photo

The Delphian School Photo - At Delphian, you'll design your own high school education, much like at university. There are core courses which everyone does, but many others that you can choose based on your own interests. Then you'll study these subjects on your own, or maybe along with another student, learning from your materials instead of from a teacher lecturing to the whole class

L'etoile French Immersion School Photo

La Salle Catholic College Preparatory Photo

La Grande Adventist Christian School Photo - Playing outside for recess

C.S. Lewis Academy Photo - CSLA Varsity Soccer

Gaarde Christian School Photo - Gaarde Christian School is located on the campus of Faith Journey Church in Tigard, Oregon

St. Matthew Catholic School Photo

Edison High School Photo - A student works with history teacher Ms. Connolly during class. Every incoming student receives a laptop (now an iPad) equipped with assistive software.

Northwest Academy Photo

New Hope Christian School Photo - Elementary chapel is a fun time for students to play games, hear a special message, and worship the Lord!

Puddletown Montessori School Photo - moveable alphabet:happybabyelephantscaryforest

Cedarwood Waldorf School Photo - Annual Lantern Walk

Franciscan Montessori Earth School Photo - Peace Day at the Franciscan Montessori Earth School and St. Francis Academy featured 2000 pinwheels

Cascades Academy Photo - This year marks Cascades Academy's 20th anniversary, and our school is thriving. With a stable foundation in place, we're able to reflect on the challenges and growth we've experienced over the past two decades, and look to the future while creating a vision for the next 20 years. Our faculty and staff took time earlier this year to update our

Horizon Christian School Photo - Our Elementary and Middle School Campus, nestled in a beautiful wooded setting, is home to our kindergarten through 8th-grade students.

Canyonville Academy Photo - Basketball is a passionate sport at Canyonville Academy

Westside Christian High School Photo

Trinity Lutheran School Photo - Trinity Lutheran School campus in NE Bend

Top-Ranked Oregon �� Schools by Membership Association (2026)

Membership Association

# Schools

# Students

% Minority

AdvancED, Southern Association of Colleges and Schools, Council on Accreditation and School Improvement

2

238

26%

Accelerated Christian Education (ACE) or (School of Tomorrow)

5

258

8%

Accreditation International

1

52

15%

American Association of Christian Schools (AACS)

3

365

36%

American Montessori Society (AMS)

8

689

29%

Association Montessori International (AMI)

5

613

23%

Association Montessori Internationale (AMI)

4

790

28%

Association of Christian Schools International (ACSI)

56

11,575

17%

Association of Christian Teachers and Schools (ACTS)

4

391

18%

Association of Classical and Christian Schools (ACCS)

5

831

30%

Association of Waldorf Schools of North America

9

1,403

14%

Christian Schools International (CSI)

3

298

17%

36

9,746

20%

Council of Bilingual Education

1

106

-

European Council for International Schools

2

124

27%

Evangelical Lutheran Education Association (ELEA)

4

193

11%

General Conference of SDA Church

1

13

33%

General Conference of the Seventh Day Adventist Church (GCSDAC)

23

1,597

23%

International Baccalaureate (IB) World School

4

1,630

33%

Islamic School League of America (ISLA)

1

74

68%

Jesuit Secondary Education Association (JSEA)

1

1,299

44%

Middle States Association of Colleges and Secondary Schools

2

524

30%

National Association for the Education of Young Children

27

2,412

30%

National Association of Episcopal Schools (NAES)

1

866

23%

National Association of Independent Schools (NAIS)

17

5,516

29%

National Association of �� Schools

2

312

43%

National Association of �� Special Education Centers

1

49

23%

National Catholic Education Association

2

376

56%

National Catholic Educational Association (NCEA)

48

12,498

28%

National Council for �� School Accreditation

1

238

26%

National Honor Society (NHS)

1

377

37%

National Independent �� Schools Association

7

804

17%

National Lutheran Schools Accreditation

2

722

16%

National Society of Hebrew Day Schools (NSHDS)

1

84

-

Northwest Association of Accredited Schools

23

5,305

25%

NWAIS (Northwest Association of Independent Schools)

7

2,485

20%

Other associations(s) for exceptional children

3

330

29%

Other Montessori association(s)

19

1,167

25%

Other religious school association(s)

15

2,406

28%

Other school association(s)

49

6,997

34%

Other special emphasis association(s)

10

1,728

33%

Prizmah: Center for Jewish Day Schools

1

84

-

Progressive Education Network

1

111

17%

Society For Classical Learning

1

286

33%

State or regional independent school association

13

2,741

33%

The Association of Boarding Schools (TABS)

2

271

37%

The French school system abroad (AEFE)

2

218

21%

Waldorf Early Childhood Association of North America

4

654

14%

Western Association of Schools and Colleges (WASC)

3

980

21%

Wisconsin Evangelical Lutheran Synod School Accreditation (WELSSA)

1

96

30%

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