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²ÝÁñÉçÇø School Review - Established 2003
Dartmoor School Photo - Dartmoor School Seattle Campus
Dartmoor School

Best Washington ²ÝÁñÉçÇø Schools Belonging to National Association of Independent Schools (NAIS) (2025-26)

For the 2025-26 school year, there are 58 private schools belonging to National Association of Independent Schools (NAIS) serving 18,045 students in Washington. You can also find more schools membership associations in Washington.
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in Washington include Charles Wright Academy, The Bear Creek School, and Annie Wright Schools.
The average tuition cost is $30,762, which is higher than the Washington private school average tuition cost of $15,550.
22% of private schools belonging to National Association of Independent Schools (NAIS) in Washington are religiously affiliated (most commonly Catholic and Christian).

Top Ranked ²ÝÁñÉçÇø Schools Belonging to National Association of Independent Schools (NAIS) in Washington (2025-26)

School
Location
Quick Facts
The Bear Creek School
The Bear Creek School Photo - The Bear Creek School was founded in 1988.
(Christian)
(12)
8905 208th Avenue NE
Redmond, WA 98053
(425) 898-1720
Gr: NS-12 | 948 students Avg. class size: 16 students Sports: 10 | Extracurrculars: 14 Tuition & acceptance rate listed
Charles Wright Academy
Charles Wright Academy Photo - Charles Wright Academy's Lower School, Middle School, and Upper School are home to more than 550 students from age 30 months to 12th grade. All three schools are situated on a beautiful, wooded 107-acre campus in University Place.
(6)
7723 Chambers Creek Rd W University Place
University Place, WA 98467
(253) 620-8373
Gr: NS-12 | 578 students Avg. class size: 14 students Sports: 10 | Extracurrculars: 47 Tuition & acceptance rate listed
Chestnut Hill Academy
Chestnut Hill Academy Photo
(6)
13633 SE 26th St
Bellevue, WA 98005
(425) 372-2800
Gr: K-5 | 377 students Avg. class size: 16 students Sports: 2 | Extracurrculars: 14 Tuition listed
Eastside Catholic School
Eastside Catholic School Photo - The Eastside Catholic School campus is situated on 50 acres on Sammamish plateau and surrounded by protected wetlands and forest.
(Catholic)
(7)
232 228th Avenue SE
Sammamish, WA 98074
(425) 295-3000
Gr: 6-12 | 836 students Avg. class size: 19 students Sports: 19 | Extracurrculars: 22 Tuition & acceptance rate listed
Epiphany School
Epiphany School Photo - Epiphany School is an independent, non-parochial school serving students in Pre-K through 5th Grade.
(8)
3611 E Denny Way
Seattle, WA 98122
(206) 323-9011
Gr: PK-5 | 265 students Sports: 1 | Extracurrculars: 14 Tuition listed
The Little School
The Little School Photo
(9)
2812 116th Ave NE
Bellevue, WA 98004
(425) 827-8708
Gr: PK-5 | 232 students Avg. class size: 15 students Sports: 2 | Extracurrculars: 3 Tuition & acceptance rate listed
The Northwest School
(10)
1415 Summit Ave
Seattle, WA 98122
(206) 816-6032
Gr: 6-12 | 446 students Avg. class size: 17 students Sports: 6 | Extracurrculars: 14 Tuition & acceptance rate listed
St. Thomas School
St. Thomas School Photo
(6)
8300 NE 12th Street
Medina, WA 98039
(425) 454-5880
Gr: PK-8 | 368 students Avg. class size: 18 students Sports: 6 | Extracurrculars: 9 Tuition & acceptance rate listed
UPrep
UPrep Photo
(10)
8000 25th Ave NE
Seattle, WA 98115
(206) 525-2714
Gr: 6-12 | 746 students Avg. class size: 18 students Sports: 8 | Extracurrculars: 7 Tuition listed
Dartmoor School
Dartmoor School Photo - One-to-One lnstruction
Alternative School
(1)
22500 SE 64th PL, #150
Issaquah, WA 98027
(425) 427-1400
Gr: 4-12 | 23 students Avg. class size: 1 student Tuition & acceptance rate listed
Dartmoor School
Dartmoor School Photo - Dartmoor School Seattle Campus
Alternative School
6515 15th Ave NE
Seattle, WA 98115
(425) 885-6296
Gr: 1-12 | 37 students Avg. class size: 1 student Tuition & acceptance rate listed
Dartmoor School
Dartmoor School Photo - Dartmoor Bothell Campus
Alternative School
19515 North Creek Pkwy. #208
Bothell, WA 98011
(425) 885-6296
Gr: 1-12 | 29 students Avg. class size: 1 student Tuition & acceptance rate listed
Annie Wright Schools
Annie Wright Schools Photo - Founded in 1884, Annie Wright Schools are nestled in the beautiful North End neighborhood of Tacoma, Washington. Our historic campus includes an indoor pool, two gyms, science and technology labs, art and music studios, theater, outdoor gardens, play areas, athletic fields and open spaces.
(2)
827 N Tacoma Ave
Tacoma, WA 98403
(253) 272-2216
Gr: NS-12 | 838 students Avg. class size: 17 students Sports: 9 | Extracurrculars: 27 Tuition listed
Bertschi School
Bertschi School Photo
2227 10th Avenue E
Seattle, WA 98102
(206) 442-6856
Gr: PK-5 | 246 students Avg. class size: 18 students Sports: 3 Tuition & acceptance rate listed
The Bush School
The Bush School Photo
(1)
3400 E Harrison Street
Seattle, WA 98112
(206) 326-7736
Gr: K-12 | 735 students Avg. class size: 15 students Sports: 9 Tuition listed
Eastside Preparatory School
Eastside Preparatory School Photo
10613 NE 38th Place
Kirkland, WA 98033
(425) 822-5668
Gr: 5-12 | 538 students Avg. class size: 16 students Sports: 11 | Extracurrculars: 24 Tuition & acceptance rate listed
The Evergreen School
The Evergreen School Photo
Special Program Emphasis
(7)
15201 Meridian Avenue N
Seattle, WA 98133
(206) 957-1523
Gr: NS-8 | 508 students Avg. class size: 17 students Sports: 6 | Extracurrculars: 10 Tuition & acceptance rate listed
Faith Lutheran School
Faith Lutheran School Photo
Daycare / Preschool (Christian)
(8)
9041 166th Ave NE
Redmond, WA 98052
(425) 885-1810
Gr: NS | 80 students Avg. class size: 12 students Sports: 1 | Extracurrculars: 5 Tuition & acceptance rate listed
Forest Ridge School Of The Sacred Heart
Forest Ridge School Of The Sacred Heart Photo
All-girls (Catholic)
(2)
4800 139th Avenue SE
Bellevue, WA 98006
(425) 641-0700
Gr: 5-12 | 205 students Avg. class size: 12 students Sports: 13 | Extracurrculars: 30 Tuition listed
French American School of Puget Sound
French American School of Puget Sound Photo - Playground at the main campus in Mercer Island
Special Program Emphasis
(8)
3795 East Mercer Way
Mercer Island, WA 98040
(206) 275-3533
Gr: PK-8 | 473 students Avg. class size: 18 students Sports: 5 Tuition & acceptance rate listed
Hamlin Robinson School
Hamlin Robinson School Photo
Special Education School
(3)
1701 20th Ave S
Seattle, WA 98144
(206) 763-1167
Gr: 1-8 | 426 students Avg. class size: 15 students Sports: 2 | Extracurrculars: 6 Tuition & acceptance rate listed
Holy Names Academy
Holy Names Academy Photo
All-girls (Catholic)
(3)
728 21st Ave E
Seattle, WA 98112
(206) 323-4272
Gr: 9-12 | 575 students Avg. class size: 21 students Sports: 17 Tuition & acceptance rate listed
https://www.etonschool.org
https://www.etonschool.org Photo - Students at Eton School love to learn!
Montessori School
(3)
2701 Bellevue-Redmond Road
Bellevue, WA 98008
(425) 881-4230
Gr: PK-8 | 353 students Avg. class size: 20 students Sports: 2 | Extracurrculars: 14 Tuition listed
King's Way Christian Schools
King's Way Christian Schools Photo
(Christian)
(7)
3606 NE 78th St
Vancouver, WA 98665
(360) 574-1613
Gr: NS-12 | 1,110 student Avg. class size: 20 students Sports: 11 | Extracurrculars: 13 Tuition & acceptance rate listed
The Lake And Park School
The Lake And Park School Photo
3201 Hunter Blvd South
Seattle, WA 98144
(206) 721-3480
Gr: PK-5 | 80 students Avg. class size: 10 students Sports: 2 Tuition & acceptance rate listed
Lake Washington Girls Middle School
Lake Washington Girls Middle School Photo
All-girls
(4)
2100 S. Walker Street
Seattle, WA 98144
(206) 709-3800
Gr: 6-8 | 95 students Avg. class size: 14 students Sports: 8 | Extracurrculars: 8 Tuition & acceptance rate listed
Lakeside School
(Amish)
(1)
14050 1st Avenue NE
Seattle, WA 98125
(260) 593-3209
Gr: 1-8 | 142 students Avg. class size: 17 students Sports: 15 | Extracurrculars: 24 Tuition & acceptance rate listed
Open Window School
Open Window School Photo - We challenge, support, and trust students to do real work that matters and has an impact beyond the classroom.
(3)
6128 168th Place SE
Bellevue, WA 98006
(425) 747-2911
Gr: K-8 | 370 students Avg. class size: 19 students Sports: 4 | Extracurrculars: 5 Tuition & acceptance rate listed
The Overlake School
The Overlake School Photo - A bird's eye view of Overlake's beautiful, lush 75 acre campus.
(2)
20301 NE 108th Street
Redmond, WA 98053
(425) 868-1000
Gr: 5-12 | 554 students Avg. class size: 14 students Sports: 9 | Extracurrculars: 16 Tuition & acceptance rate listed
St. Francis Of Assisi School
(Catholic)
15216 21st Ave S.w.
Seattle, WA 98166
(206) 243-5690
Gr: K-8 | 519 students Avg. class size: 26 students Sports: 5 | Extracurrculars: 4 Tuition & acceptance rate listed
Saint George's School
Saint George's School Photo - Saint George's 120-acre campus is located along the Little Spokane River just north of Spokane, Washington.
(2)
2929 W Waikiki Road
Spokane, WA 99208
(509) 466-1636
Gr: K-12 | 311 students Avg. class size: 12 students Sports: 10 | Extracurrculars: 16 Tuition & acceptance rate listed
St. John Vianney School
(Catholic)
(2)
501 N Walnut Rd
Spokane, WA 99206
(509) 926-7987
Gr: PK-8 | 160 students Avg. class size: 20 students
St. Louise School
St. Louise School Photo
(Catholic)
(7)
133 156th Avenue Se
Bellevue, WA 98007
(425) 746-4220
Gr: PK-8 | 335 students Avg. class size: 18 students Sports: 5 | Extracurrculars: 17 Tuition listed
Seattle Academy
Seattle Academy Photo
Special Program Emphasis
(1)
1201 E Union Street
Seattle, WA 98122
(206) 323-6600
Gr: 6-12 | 772 students Avg. class size: 18 students Sports: 13 | Extracurrculars: 25 Tuition & acceptance rate listed
Seattle Country Day School
Seattle Country Day School Photo
Special Program Emphasis
(2)
2619 4th Ave N
Seattle, WA 98109
(206) 812-8907
Gr: K-8 | 420 students Avg. class size: 18 students Sports: 12 | Extracurrculars: 7 Tuition listed
Show 23 more private schools in Washington (out of 58 total schools)
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