For the 2025-26 school year, there are 323 private schools serving 56,613 students in King County, WA (there are 537 public schools, serving 279,738 public students). 17% of all K-12 students in King County, WA are educated in private schools (compared to the WA state average of 10%).
The top ranked private schools in King County, WA include BASIS Independent Bellevue, The Bear Creek School, and St. Thomas School.
The average tuition cost is $20,899, which is higher than the Washington private school average tuition cost of $15,688.
Top Ranked King County Private Schools (2025-26)
School
Location
Quick Facts
15749 NE 4th Street
Bellevue, WA 98008
(425) 689-3376
Bellevue, WA 98008
(425) 689-3376
Gr: K-12 | 363 students Avg. class size: 20 students Sports: 6 | Extracurrculars: 27 Tuition & acceptance rate listed
8905 208th Avenue NE
Redmond, WA 98053
(425) 898-1720
Redmond, WA 98053
(425) 898-1720
Gr: NS-12 | 948 students Avg. class size: 16 students Sports: 10 | Extracurrculars: 14 Tuition & acceptance rate listed
1701 98th Ave Ne
Bellevue, WA 98004
(425) 460-3300
Bellevue, WA 98004
(425) 460-3300
Gr: 7-12 | 1,037 student Avg. class size: 17 students Sports: 10 Tuition & acceptance rate listed
7800 Ne 28th St
Medina, WA 98039
(425) 454-4402
Medina, WA 98039
(425) 454-4402
Gr: K-6 | 254 students
Brightmont Academy - Sammamish![Brightmont Academy - Sammamish Photo - Taking individual courses at Brightmont Academy offers an effective one-to-one instruction alternative for students to learn concepts and skills by progressing at their own pace.]( "Brightmont Academy - Sammamish Photo - Taking individual courses at Brightmont Academy offers an effective one-to-one instruction alternative for students to learn concepts and skills by progressing at their own pace.")
Special Program Emphasis
4588 Klahanie Dr SE Suite 401
Issaquah, WA 98029
(425) 836-1600
Issaquah, WA 98029
(425) 836-1600
Gr: 1-12 Avg. class size: 1 student Tuition listed
13633 SE 26th St
Bellevue, WA 98005
(425) 372-2800
Bellevue, WA 98005
(425) 372-2800
Gr: K-5 | 377 students Avg. class size: 16 students Sports: 2 | Extracurrculars: 14 Tuition listed
Dartmoor School![Dartmoor School Photo - One-to-One instruction helps students excel]( "Dartmoor School Photo - One-to-One instruction helps students excel")
Alternative School
2800 Northup Way, Suite 120
Bellevue, WA 98004
(425) 885-6296
Bellevue, WA 98004
(425) 885-6296
Gr: 1-12 | 43 students Avg. class size: 1 student Tuition & acceptance rate listed
22500 SE 64th PL, #150
Issaquah, WA 98027
(425) 427-1400
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]( "Dartmoor School Photo - Dartmoor School Seattle Campus")
Alternative School
6515 15th Ave NE
Seattle, WA 98115
(425) 885-6296
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]( "Dartmoor School Photo - Dartmoor Bothell Campus")
Alternative School
19515 North Creek Pkwy. #208
Bothell, WA 98011
(425) 885-6296
Bothell, WA 98011
(425) 885-6296
Gr: 1-12 | 29 students Avg. class size: 1 student Tuition & acceptance rate listed
2836 34th Ave West
Seattle, WA 98199
(206) 282-3848
Seattle, WA 98199
(206) 282-3848
Gr: NS-K | 40 students Avg. class size: 20 students Sports: 1 | Extracurrculars: 3 Tuition & acceptance rate listed
232 228th Avenue SE
Sammamish, WA 98074
(425) 295-3000
Sammamish, WA 98074
(425) 295-3000
Gr: 6-12 | 836 students Avg. class size: 19 students Sports: 19 | Extracurrculars: 22 Tuition & acceptance rate listed
14615 SE 22nd Street
Bellevue, WA 98007
(425) 641-5570
Bellevue, WA 98007
(425) 641-5570
Gr: PK-8 | 281 students Avg. class size: 16 students Sports: 6 | Extracurrculars: 2 Tuition & acceptance rate listed
3611 E Denny Way
Seattle, WA 98122
(206) 323-9011
Seattle, WA 98122
(206) 323-9011
Gr: PK-5 | 265 students Sports: 1 | Extracurrculars: 14 Tuition listed
4800 139th Avenue SE
Bellevue, WA 98006
(425) 641-0700
Bellevue, WA 98006
(425) 641-0700
Gr: 5-12 | 225 students Avg. class size: 12 students Sports: 13 | Extracurrculars: 29 Tuition listed
2812 116th Ave NE
Bellevue, WA 98004
(425) 827-8708
Bellevue, WA 98004
(425) 827-8708
Gr: PK-5 | 232 students Avg. class size: 15 students Sports: 2 | Extracurrculars: 3 Tuition & acceptance rate listed
8300 NE 12th Street
Medina, WA 98039
(425) 454-5880
Medina, WA 98039
(425) 454-5880
Gr: PK-8 | 330 students Avg. class size: 18 students Sports: 6 | Extracurrculars: 9 Tuition & acceptance rate listed
1951 152nd Pl NE Suite 101
Bellevue, WA 98007
(425) 640-9000
Bellevue, WA 98007
(425) 640-9000
Gr: 7-12 Sports: 5 | Extracurrculars: 4 Tuition & acceptance rate listed
8000 25th Ave NE
Seattle, WA 98115
(206) 525-2714
Seattle, WA 98115
(206) 525-2714
Gr: 6-12 | 746 students Avg. class size: 18 students Sports: 8 | Extracurrculars: 7 Tuition listed
18250 168th Pl Ne
Woodinville, WA 98072
(425) 454-4402
Woodinville, WA 98072
(425) 454-4402
Gr: K-6 | 185 students Tuition & acceptance rate listed
5130 164th Ave SE
Bellevue, WA 98006
(425) 643-1671
Bellevue, WA 98006
(425) 643-1671
Gr: PK-8 | 47 students Avg. class size: 10 students Extracurrculars: 3 Tuition & acceptance rate listed
16017 118th Place NE
Bothell, WA 98011
(425) 488-8000
Bothell, WA 98011
(425) 488-8000
Gr: NS-5 | 175 students Extracurrculars: 7 Tuition listed
214 E. Galer Street, Suite 200
Seattle, WA 98102
(877) 673-8893
Seattle, WA 98102
(877) 673-8893
Gr: 6-12 Tuition listed
2728 NE 100th Street
Seattle, WA 98125
(206) 524-5320
Seattle, WA 98125
(206) 524-5320
Gr: NS-8 | 138 students Avg. class size: 22 students Sports: 4 | Extracurrculars: 9 Tuition & acceptance rate listed
P.O. Box 664 Mukilteo, WA
Mukilteo, WA 98275
(206) 246-9227
Mukilteo, WA 98275
(206) 246-9227
Gr: K-12 | 298 students Avg. class size: 10 students Extracurrculars: 2 Tuition & acceptance rate listed
14601 Interurban Ave S
Seattle, WA 98168
(206) 588-0860
Seattle, WA 98168
(206) 588-0860
Gr: PK-12 | 48 students Avg. class size: 7 students Extracurrculars: 7 Tuition & acceptance rate listed
All-Star Academy![All-Star Academy Photo - We serve PreK-8th families that are looking for their bored or mismanaged student to receive a high-quality, enjoyable education.]( "All-Star Academy Photo - We serve PreK-8th families that are looking for their bored or mismanaged student to receive a high-quality, enjoyable education.")
Alternative School
30355 SE High Point Way
Issaquah, WA 98027
(425) 526-4600
Issaquah, WA 98027
(425) 526-4600
Gr: PK-8 Avg. class size: 8 students Tuition & acceptance rate listed
1107 228th Avenue Se
Sammamish, WA 98075
(425) 392-8053
Sammamish, WA 98075
(425) 392-8053
Gr: PK-6 | 170 students Avg. class size: 20 students Extracurrculars: 6
Assumption-St. Bridget School![Assumption-St. Bridget School Photo]( "Assumption-St. Bridget School Photo")
(Catholic)
6220 32nd Ave NE
Seattle, WA 98115
(206) 524-7452
Seattle, WA 98115
(206) 524-7452
Gr: PK-8 | 561 students Avg. class size: 30 students Tuition listed
5000 Auburn Way S
Auburn, WA 98092
(253) 939-5000
Auburn, WA 98092
(253) 939-5000
Gr: 9-12 | 239 students Avg. class size: 25 students Sports: 12 | Extracurrculars: 10 Tuition & acceptance rate listed
14640 Ne 24th St
Bellevue, WA 98007
(425) 649-0791
Bellevue, WA 98007
(425) 649-0791
Gr: PK-4 | 658 students Avg. class size: 12 students Extracurrculars: 11 Tuition listed
Bellevue Montessori School![Bellevue Montessori School Photo - Community building takes place in the classroom.]( "Bellevue Montessori School Photo - Community building takes place in the classroom.")
Montessori School
2411 112th Avenue NE
Bellevue, WA 98004
(425) 454-7439
Bellevue, WA 98004
(425) 454-7439
Gr: PK-5 | 274 students Avg. class size: 20 students Extracurrculars: 5 Tuition & acceptance rate listed
2227 10th Avenue E
Seattle, WA 98102
(206) 442-6856
Seattle, WA 98102
(206) 442-6856
Gr: PK-5 | 246 students Avg. class size: 18 students Sports: 3 Tuition & acceptance rate listed
Bishop Blanchet High School![Bishop Blanchet High School Photo]( "Bishop Blanchet High School Photo")
(Catholic)
8200 Wallingford Ave N
Seattle, WA 98103
(206) 527-7711
Seattle, WA 98103
(206) 527-7711
Gr: 9-12 | 855 students Avg. class size: 22 students Sports: 16 | Extracurrculars: 20 Tuition & acceptance rate listed
Buena Vista SDA School
(Seventh Day Adventist)
3320 Academy Drive SE
Auburn, WA 98092
(253) 833-0718
Auburn, WA 98092
(253) 833-0718
Gr: PK-8 | 227 students Avg. class size: 22 students Sports: 3 | Extracurrculars: 3 Tuition & acceptance rate listed
Show 100 more private schools in King County, WA (out of 323 total schools)
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King County Private Schools (Closed)
School
Location
Quick Facts
American Academy (Closed 2015)
(Christian)
7834 Se 32nd St
Mercer Island, WA 98040
(206) 230-5672
Mercer Island, WA 98040
(206) 230-5672
Gr: 1-12 | 25 students
Blossoming Hill Montessori (Closed 2024)
Montessori School
23855 SE 216th St
Maple Valley, WA 98038
(425) 276-5649
Maple Valley, WA 98038
(425) 276-5649
Gr: PK-5 | 68 students
Brightmont Academy (Closed 2020)
Special Program Emphasis
13300 NE 175th Street, #1
Woodinville, WA 98072
(425) 219-4993
Woodinville, WA 98072
(425) 219-4993
Gr: 6-12 Avg. class size: 1 student Tuition listed
Burien SDA School (Closed 2006)
(Seventh Day Adventist)
14237 Des Moines Way S
Seattle, WA 98168
(206) 246-8433
Seattle, WA 98168
(206) 246-8433
Gr: K-8 | 23 students
Calvary Lutheran Preschool & Kindergarten (Closed 2024)
Daycare / Preschool (Wisconsin Evangelical Lutheran Synod)
16231 Ne 6th Street
Bellevue, WA 98008
(425) 747-5410
Bellevue, WA 98008
(425) 747-5410
Gr: PK-K | 11 students Avg. class size: 15 students Tuition listed
Eastridge Christian School (Closed 2015)
Daycare / Preschool (Assembly of God)
24205 Se Issaquah Fall City Rd
Issaquah, WA 98029
(425) 270-6329
Issaquah, WA 98029
(425) 270-6329
Gr: PK-K | 159 students
Emerald City School (Closed 2021)
Special Education School
520 Denny Way
Seattle, WA 98109
(206) 209-0950
Seattle, WA 98109
(206) 209-0950
Gr: 4-8 | 11 students Avg. class size: 3 students Acceptance rate listed
Junior Junction Day School (Closed 2011)
Daycare / Preschool
13303 Se 288th Street
Auburn, WA 98092
(253) 631-3796
Auburn, WA 98092
(253) 631-3796
Gr: NS | 131 students
19303 Fremont Avenue North
Seattle, WA 98133
(206) 546-7214
Seattle, WA 98133
(206) 546-7214
Gr: 5-12 | 652 students
Lakeside Montessori Highlands (Closed 2024)
Montessori School
2001 15th Ave Ne
Issaquah, WA 98029
(425) 394-1000
Issaquah, WA 98029
(425) 394-1000
Gr: PK-K | 86 students
Learning Way School (Closed 2014)
Daycare / Preschool
9202 21st Avenue Sw
Seattle, WA 98106
(206) 762-3199
Seattle, WA 98106
(206) 762-3199
Gr: PK-K | 12 students
Makkah Islamic School (Closed 2019)
(Islamic)
3613 S Juneau St
Seattle, WA 98118
Seattle, WA 98118
Gr: NS-8 | 140 students
2000 Ne Perkins Way
Seattle, WA 98155
(206) 365-2720
Seattle, WA 98155
(206) 365-2720
Gr: PK-6 | 131 students
Northern Lights Montessori (Closed 2023)
Montessori School
8460 160th Ave Ne
Redmond, WA 98052
(425) 867-0622
Redmond, WA 98052
(425) 867-0622
Gr: PK-1 | 134 students
Northern Lights Montessori School (Closed 2015)
Montessori School
14434 Ne 8th St
Bellevue, WA 98007
(425) 867-0622
Bellevue, WA 98007
(425) 867-0622
Gr: PK-K | 120 students
Pacific Learning Center Nw (Closed 2024)
Special Education School
14550 Westminster Way N
Seattle, WA 98133
(425) 672-6805
Seattle, WA 98133
(425) 672-6805
Gr: 3-12 | 25 students Avg. class size: 6 students
Puget Sound Primary School (Closed 2004)
Alternative School
1122 East John St
Seattle, WA 98102
(206) 322-4329
Seattle, WA 98102
(206) 322-4329
Gr: 5-8
Root Academy (Closed 2025)
Montessori School
2332 N 116th St
Seattle, WA 98133
(206) 291-5526
Seattle, WA 98133
(206) 291-5526
Gr: PK-3 | 16 students
St. Christopher Academy (Closed 2014)
Special Education School
4141 41st Ave Sw
Seattle, WA 98116
(206) 246-9751
Seattle, WA 98116
(206) 246-9751
Gr: 9-12 | 20 students Avg. class size: 8 students Tuition & acceptance rate listed
Sea-tac Christian Academy (Closed 2004)
(Church of God)
18435 42nd Ave S
Seattle, WA 98188
(206) 243-8636
Seattle, WA 98188
(206) 243-8636
Gr: PK-6 | 43 students
Seattle Lutheran High School (Closed 2024)
(Lutheran Church Missouri Synod)
4100 SW Genesee Street
Seattle, WA 98116
(206) 937-7722
Seattle, WA 98116
(206) 937-7722
Gr: 9-12 | 69 students Avg. class size: 16 students Tuition listed
Seattle Urban Academy (Closed 2020)
Alternative School (Christian)
10056 Renton Ave S
Seattle, WA 98178
(206) 723-0333
Seattle, WA 98178
(206) 723-0333
Gr: 9-12 | 22 students Avg. class size: 10 students Tuition & acceptance rate listed
Seattle Waldorf High School (Closed 2025)
Special Program Emphasis
777 62nd Ave Ne
Seattle, WA 98115
(360) 746-9575
Seattle, WA 98115
(360) 746-9575
Gr: 9-12 | 75 students
Snoqualmie Valley Christian School (Closed 2004)
(Seventh Day Adventist)
Po Box 939
Fall City, WA 98024
(425) 222-5194
Fall City, WA 98024
(425) 222-5194
Gr: PK-7 | 20 students
West Seattle Christian (Closed 2006)
(Christian)
4401 42nd Avenue Sw
Seattle, WA 98116
(206) 938-1414
Seattle, WA 98116
(206) 938-1414
Gr: PK-8 | 145 students
Frequently Asked Questions
What are the top ranked private schools in King County, WA?
The top ranked private schools in King County, WA include BASIS Independent Bellevue, The Bear Creek School, and St. Thomas School.
How many private schools are located in King County?
323 private schools are located in King County.
How much do private schools cost in King County?
The average tuition cost is $20,899, which is higher than the Washington private school average tuition cost of $15,688.
How diverse are private schools in King County?
King County private schools are approximately 36% minority students, which is higher than the Washington private school average of 31%.
What percentage of students in King County go to private school?
17% of all K-12 students in King County are educated in private schools (compared to the WA state average of 10%).
What percentage of private schools are religiously affiliated in King County?
Which private schools in King County are often viewed compared to one another?
Popular comparisons of private schools in King County include: Eaton Arrowsmith School vs. The Overlake School, Hillside Academy vs. Bellevue Christian School – Clyde Hill Campus, The Bridge School vs. Academy For Precision Learning
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