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²ÝÁñÉçÇø School Review - Established 2003
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Oldest ²ÝÁñÉçÇø High Schools in Washington

The average private high school in Washington was founded around 1977 (2026-27).
The oldest private high school in Washington is Desales Catholic High School, founded in 1864.

Quick Facts (2026-27)

  • # WA Schools Ranked: 168
  • Top 20 Range (Year Founded): 1864–1928
  • WA School Avg.: 1976
  • National School Avg.: 1967

Quick Facts (2026-27)

  • # WA Schools Ranked: 168
  • Top 20 Range (Year Founded): 1864–1928
  • WA School Avg.: 1976
  • National School Avg.: 1967
Show school map — Washington (year founded range: 1864–1928, avg 1976)
Year Founded Range: 1864 1960 Avg. Year Founded: 1922

Oldest ²ÝÁñÉçÇø High Schools in Washington (2026-27)

Showing 168 schools
Map of Desales Catholic High School
#1Desales Catholic High School
Gr: 9-12 | 81 students
Catholic
919 E Sumach St
Walla Walla, WA 99362
(509) 525-3030
1864year founded
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Holy Names Academy Photo
#2 Holy Names Academy
Gr: 9-12 | 575 students
Avg. class size: 21 students
Sports: 17
All-girls (Catholic)
728 21st Ave E
Seattle, WA 98112
(206) 323-4272
(3)
1880year founded
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Annie Wright Schools Photo
#3Annie Wright Schools
Gr: NS-12 | 902 students
Avg. class size: 14 students
Sports: 8 | Extracurriculars: 30
827 N Tacoma Ave
Tacoma, WA 98403
(253) 272-2216
(2)
1884year founded
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Map of Walla Walla Valley Academy
#4Walla Walla Valley Academy
Gr: 9-12 | 138 students
Avg. class size: 15 students
Sports: 7 | Extracurriculars: 6
Seventh Day Adventist
300 Sw Academy Way
College Place, WA 99324
(509) 525-1050
1886year founded
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Map of Gonzaga Preparatory School
#5Gonzaga Preparatory School
Gr: 9-12 | 794 students
Catholic
1224 E Euclid Ave
Spokane, WA 99207
(509) 483-8511
(1)
1887year founded
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Map of Derech Emunah
#6(°Õ6–T7)Derech Emunah
Gr: 9-12 | 11 students
All-girls (Jewish)
5145 S Morgan Street Seattle
Seattle, WA 98118
(206) 402-6621
1891year founded
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Map of Seattle Preparatory School
#6(°Õ6–T7)Seattle Preparatory School
Gr: 9-12 | 718 students
Catholic
2400 11th Ave E
Seattle, WA 98102
(206) 324-0400
1891year founded
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Rogers Adventist School Photo
#8Rogers Adventist School
Gr: K-12 | 338 students
Avg. class size: 22 students
Sports: 6
Seventh Day Adventist
200 SW Academy Way
College Place, WA 99324
(509) 529-1850
1892year founded
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Concordia Christian Academy Photo
#9Concordia Christian Academy
Gr: K-12 | 217 students
Avg. class size: 18 students
Sports: 7 | Extracurriculars: 11
Lutheran Church Missouri Synod
202 E 56th Street
Tacoma, WA 98404
(253) 475-9513
(5)
1897year founded
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Map of Columbia Adventist Academy
#10(°Õ10–T11)Columbia Adventist Academy
Gr: 9-12 | 128 students
Avg. class size: 20 students
Seventh Day Adventist
11100 Ne 189th St
Battle Ground, WA 98604
(360) 687-3161
1903year founded
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Yakima Adventist Christian School Photo
#10(°Õ10–T11)Yakima Adventist Christian School
Gr: PK-10 | 91 students
Avg. class size: 18 students
Seventh Day Adventist
1200 City Reservoir Rd
Yakima, WA 98908
(509) 966-1933
1903year founded
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Cascade Christian Academy Photo
#12Cascade Christian Academy
Gr: PK-12 | 304 students
Avg. class size: 16 students
Sports: 5 | Extracurriculars: 4
Seventh Day Adventist
600 N Western Ave
Wenatchee, WA 98801
(509) 662-2723
(5)
1905year founded
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Forest Ridge School Of The Sacred Heart Photo
#13Forest Ridge School Of The Sacred Heart
Gr: 5-12 | 200 students
Avg. class size: 12 students
Sports: 13 | Extracurriculars: 30
All-girls (Catholic)
4800 139th Avenue SE
Bellevue, WA 98006
(425) 641-0700
(2)
1907year founded
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Map of Lynden Christian School
#14(°Õ14–T15)Lynden Christian School
Gr: PK-12 | 1,210 students
Sports: 9 | Extracurriculars: 6
Christian
417 Lyncs Dr
Lynden, WA 98264
(360) 354-5492
1910year founded
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Map of Lynden Christian Schools: Administration
#14(°Õ14–T15)Lynden Christian Schools: Administration
Gr: PK-12 | 1,311 students
Christian
515 Drayton St
Lynden, WA 98264
(360) 318-9525
1910year founded
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Auburn Adventist Academy Photo
#16Auburn Adventist Academy
Gr: 9-12 | 239 students
Avg. class size: 25 students
Sports: 12 | Extracurriculars: 10
Seventh Day Adventist
5000 Auburn Way S
Auburn, WA 98092
(253) 939-5000
(3)
1919year founded
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Lewis County Adventist School Photo
#17Lewis County Adventist School
Gr: PK-10 | 70 students
Avg. class size: 18 students
Extracurriculars: 2
Seventh Day Adventist
2102 S. Scheuber Rd.
Chehalis, WA 98532
(360) 748-3213
(3)
1922year founded
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Map of O'dea High School
#18O'dea High School
Gr: 9-12 | 500 students
Avg. class size: 25 students
Sports: 10
All-boys (Catholic)
802 Terry Avenue
Seattle, WA 98104
(206) 923-7551
(1)
1923year founded
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The Bush School Photo
#19 The Bush School
Gr: K-12 | 735 students
Avg. class size: 15 students
Sports: 9
3400 E Harrison Street
Seattle, WA 98112
(206) 326-7736
(1)
1924year founded
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Map of Bellarmine Preparatory School
#20Bellarmine Preparatory School
Gr: 9-12 | 847 students
Avg. class size: 20 students
Catholic
2300 S Washington St
Tacoma, WA 98405
(253) 752-7701
(2)
1928year founded
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Map of Palisades Christian Academy
#21Palisades Christian Academy
Gr: PK-10 | 176 students
Seventh Day Adventist
1115 N Government Way
Spokane, WA 99224
(509) 325-1985
(1)
1934year founded
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Map of Upper Columbia Academy - High School
#22Upper Columbia Academy - High School
Gr: 9-12 | 276 students
Avg. class size: 25 students
Seventh Day Adventist
3025 E Spangle Waverly Rd
Spangle, WA 99031
(509) 245-3600
1945year founded
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Seattle Christian Schools Photo
#23Seattle Christian Schools
Gr: K-12 | 586 students
Avg. class size: 18 students
Sports: 10 | Extracurriculars: 5
Christian
18301 Military Road S
Seattle, WA 98188
(206) 246-8241
(8)
1946year founded
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Map of Sunnyside Christian School
#24Sunnyside Christian School
Gr: PK-12 | 269 students
Calvinist
1820 Sheller Road
Sunnyside, WA 98944
(509) 837-8995
1947year founded
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Northwest Christian Schools Photo
#25Northwest Christian Schools
Gr: NS-12 | 999 students
Avg. class size: 18 students
Sports: 11 | Extracurriculars: 16
Christian
5104 E Bernhill Road
Colbert, WA 99005
(509) 238-4005
(2)
1949year founded
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Bellevue Christian School – Clyde Hill Campus Photo
#26(°Õ26–T28)Bellevue Christian School – Clyde Hill Campus
Gr: 7-12 | 1,037 students
Avg. class size: 17 students
Sports: 8
Christian
1701 98th Ave Ne
Bellevue, WA 98004
(425) 460-3300
(3)
1950year founded
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Map of King's School
#26(°Õ26–T28)King's School
Gr: PK-12 | 1,185 students
Christian
19303 Fremont Ave N Ms 40
Seattle, WA 98133
(206) 546-7211
1950year founded
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King's Schools Photo
#26(°Õ26–T28)King's Schools
Gr: PK-12 | 1,236 students
Avg. class size: 20 students
Sports: 10 | Extracurriculars: 8
Christian
19303 Fremont Ave. N.
Seattle, WA 98133
(206) 289-7783
1950year founded
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Mount Vernon Christian School Photo
#29Mount Vernon Christian School
Gr: PK-12 | 502 students
Avg. class size: 21 students
Sports: 6 | Extracurriculars: 6
Christian
820 W Blackburn Rd
Mount Vernon, WA 98273
(360) 424-9157
1951year founded
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Shoreline Christian School Photo
#30Shoreline Christian School
Gr: PK-12 | 212 students
Avg. class size: 13 students
Sports: 6 | Extracurriculars: 2
Christian
2400 NE 147th Street
Shoreline, WA 98155
(206) 364-7777
(1)
1952year founded
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Bishop Blanchet High School Photo
#31 Bishop Blanchet High School
Gr: 9-12 | 855 students
Avg. class size: 22 students
Sports: 16 | Extracurriculars: 20
Catholic
8200 Wallingford Ave N
Seattle, WA 98103
(206) 527-7711
1954year founded
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Rainier Christian Middle and High School Photo
#32(°Õ32–T33)Rainier Christian Middle and High School
Gr: NS-12 | 581 students
Avg. class size: 15 students
Sports: 9
Christian
19830 SE 328th Pl
Auburn, WA 98002
(425) 255-7273
1955year founded
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Saint George's School Photo
#32(°Õ32–T33)Saint George's School
Gr: K-12 | 330 students
Avg. class size: 12 students
Sports: 16 | Extracurriculars: 16
2929 W Waikiki Road
Spokane, WA 99208
(509) 464-8744
(2)
1955year founded
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Charles Wright Academy Photo
#34Charles Wright Academy
Gr: PK-12 | 578 students
Avg. class size: 14 students
Sports: 11 | Extracurriculars: 47
7723 Chambers Creek Rd W University Place
University Place, WA 98467
(253) 620-8373
(6)
1957year founded
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St. Monica Catholic School Photo
#35St. Monica Catholic School
Gr: NS-12 | 262 students
Avg. class size: 21 students
Sports: 4 | Extracurriculars: 17
Catholic
4320 87th Avenue SE
Mercer Island, WA 98040
(206) 232-5432
(6)
1960year founded
View Profile
Show 100 more private schools in Washington (out of 168 total schools)
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Frequently Asked Questions

What is the Washington average private high schools founding year?
The Washington average private high schools founding year is 1977 for 2026-27.
What are the private high schools with oldest founding year in Washington?
The top ranked private high schools in Washington include Desales Catholic High School, Holy Names Academy and Annie Wright Schools.

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