The average private high school in Washington was founded around 1976 (2025).
The oldest private high school in Washington is Desales Catholic High School, founded in 1864.
Year Founded Range: 1864
1957
Avg. Year Founded: 1921
Oldest Private High Schools in Washington (2025)
School
Founding Date
Grades
Location
Rank: #11.
Desales Catholic High School
(Catholic)
Founding Date: 1864
Grades: 9-12
919 E Sumach St
Walla Walla, WA 99362
(509) 525-3030
Walla Walla, WA 99362
(509) 525-3030
Rank: #22.
Founding Date: 1880
Grades: 9-12
728 21st Ave E
Seattle, WA 98112
(206) 323-4272
Seattle, WA 98112
(206) 323-4272
Rank: #33.
Founding Date: 1884
Grades: NS-12
827 N Tacoma Ave
Tacoma, WA 98403
(253) 272-2216
Tacoma, WA 98403
(253) 272-2216
Rank: #44.
Walla Walla Valley Academy
(Seventh Day Adventist)
Founding Date: 1886
Grades: 9-12
300 Sw Academy Way
College Place, WA 99324
(509) 525-1050
College Place, WA 99324
(509) 525-1050
Rank: #55.
Founding Date: 1887
Grades: 9-12
1224 E Euclid Ave
Spokane, WA 99207
(509) 483-8511
Spokane, WA 99207
(509) 483-8511
Rank: #6 - 76. - 7.
Derech Emunah
All-girls (Jewish)
Founding Date: 1891
Grades: 9-12
5145 S Morgan Street Seattle
Seattle, WA 98118
(206) 402-6621
Seattle, WA 98118
(206) 402-6621
Rank: #6 - 76. - 7.
Seattle Preparatory School
(Catholic)
Founding Date: 1891
Grades: 9-12
2400 11th Ave E
Seattle, WA 98102
(206) 324-0400
Seattle, WA 98102
(206) 324-0400
Rank: #88.
Rogers Adventist School![Rogers Adventist School Photo - Rogers Adventist School]( "Rogers Adventist School Photo - Rogers Adventist School")
(Seventh Day Adventist)
Founding Date: 1892
Grades: K-12
200 SW Academy Way
College Place, WA 99324
(509) 529-1850
College Place, WA 99324
(509) 529-1850
Rank: #99.
Founding Date: 1897
Grades: K-12
202 E 56th Street
Tacoma, WA 98404
(253) 475-9513
Tacoma, WA 98404
(253) 475-9513
Rank: #10 - 1110. - 11.
Columbia Adventist Academy
(Seventh Day Adventist)
Founding Date: 1903
Grades: 9-12
11100 Ne 189th St
Battle Ground, WA 98604
(360) 687-3161
Battle Ground, WA 98604
(360) 687-3161
Rank: #10 - 1110. - 11.
Yakima Adventist Christian School![Yakima Adventist Christian School Photo]( "Yakima Adventist Christian School Photo")
(Seventh Day Adventist)
Founding Date: 1903
Grades: PK-10
1200 City Reservoir Rd
Yakima, WA 98908
(509) 966-1933
Yakima, WA 98908
(509) 966-1933
Rank: #12 - 1312. - 13.
Founding Date: 1905
Grades: PK-12
600 N Western Ave
Wenatchee, WA 98801
(509) 662-2723
Wenatchee, WA 98801
(509) 662-2723
Rank: #12 - 1312. - 13.
Mason County Christian School
(Baptist)
Founding Date: 1905
Grades: K-10
470 E Eagle Ridge Dr
Shelton, WA 98584
(360) 426-7616
Shelton, WA 98584
(360) 426-7616
Rank: #1414.
Founding Date: 1907
Grades: 5-12
4800 139th Avenue SE
Bellevue, WA 98006
(425) 641-0700
Bellevue, WA 98006
(425) 641-0700
Rank: #15 - 1615. - 16.
Lynden Christian School
(Christian)
Founding Date: 1910
Grades: PK-12
417 Lyncs Dr
Lynden, WA 98264
(360) 354-5492
Lynden, WA 98264
(360) 354-5492
Rank: #15 - 1615. - 16.
Lynden Christian Schools: Administration
(Christian)
Founding Date: 1910
Grades: PK-12
515 Drayton St
Lynden, WA 98264
(360) 318-9525
Lynden, WA 98264
(360) 318-9525
Rank: #1717.
Founding Date: 1919
Grades: 9-12
5000 Auburn Way S
Auburn, WA 98092
(253) 939-5000
Auburn, WA 98092
(253) 939-5000
Rank: #1818.
Founding Date: 1922
Grades: PK-10
2102 S. Scheuber Rd.
Chehalis, WA 98532
(360) 748-3213
Chehalis, WA 98532
(360) 748-3213
Rank: #1919.
Founding Date: 1923
Grades: 9-12
802 Terry Avenue
Seattle, WA 98104
(206) 923-7551
Seattle, WA 98104
(206) 923-7551
Rank: #2020.
Founding Date: 1924
Grades: K-12
3400 E Harrison Street
Seattle, WA 98112
(206) 326-7736
Seattle, WA 98112
(206) 326-7736
Rank: #2121.
Founding Date: 1928
Grades: 9-12
2300 S Washington St
Tacoma, WA 98405
(253) 752-7701
Tacoma, WA 98405
(253) 752-7701
Rank: #2222.
Founding Date: 1934
Grades: PK-10
1115 N Government Way
Spokane, WA 99224
(509) 325-1985
Spokane, WA 99224
(509) 325-1985
Rank: #2323.
Upper Columbia Academy - High School
(Seventh Day Adventist)
Founding Date: 1945
Grades: 9-12
3025 E Spangle Waverly Rd
Spangle, WA 99031
(509) 245-3600
Spangle, WA 99031
(509) 245-3600
Rank: #2424.
Founding Date: 1946
Grades: K-12
18301 Military Road S
Seattle, WA 98188
(206) 246-8241
Seattle, WA 98188
(206) 246-8241
Rank: #2525.
Sunnyside Christian School
(Calvinist)
Founding Date: 1947
Grades: PK-12
1820 Sheller Road
Sunnyside, WA 98944
(509) 837-8995
Sunnyside, WA 98944
(509) 837-8995
Rank: #2626.
Founding Date: 1949
Grades: NS-12
5104 E Bernhill Road
Colbert, WA 99005
(509) 238-4005
Colbert, WA 99005
(509) 238-4005
Rank: #27 - 2927. - 29.
Founding Date: 1950
Grades: 7-12
1701 98th Ave Ne
Bellevue, WA 98004
(425) 460-3300
Bellevue, WA 98004
(425) 460-3300
Rank: #27 - 2927. - 29.
King's School
(Christian)
Founding Date: 1950
Grades: PK-12
19303 Fremont Ave N Ms 40
Seattle, WA 98133
(206) 546-7211
Seattle, WA 98133
(206) 546-7211
Rank: #27 - 2927. - 29.
King's Schools![King's Schools Photo - Junior High Armor Adventure.]( "King's Schools Photo - Junior High Armor Adventure.")
(Christian)
Founding Date: 1950
Grades: PK-12
19303 Fremont Ave. N.
Seattle, WA 98133
(206) 289-7783
Seattle, WA 98133
(206) 289-7783
Rank: #3030.
Mount Vernon Christian School![Mount Vernon Christian School Photo]( "Mount Vernon Christian School Photo")
(Christian)
Founding Date: 1951
Grades: PK-12
820 W Blackburn Rd
Mount Vernon, WA 98273
(360) 424-9157
Mount Vernon, WA 98273
(360) 424-9157
Rank: #3131.
Founding Date: 1952
Grades: PK-12
2400 NE 147th Street
Seattle, WA 98155
(206) 364-7777
Seattle, WA 98155
(206) 364-7777
Rank: #3232.
Bishop Blanchet High School![Bishop Blanchet High School Photo]( "Bishop Blanchet High School Photo")
(Catholic)
Founding Date: 1954
Grades: 9-12
8200 Wallingford Ave N
Seattle, WA 98103
(206) 527-7711
Seattle, WA 98103
(206) 527-7711
Rank: #33 - 3433. - 34.
Rainier Christian Middle and High School![Rainier Christian Middle and High School Photo]( "Rainier Christian Middle and High School Photo")
(Christian)
Founding Date: 1955
Grades: NS-12
19830 SE 328th Pl
Auburn, WA 98002
(425) 255-7273
Auburn, WA 98002
(425) 255-7273
Rank: #33 - 3433. - 34.
Founding Date: 1955
Grades: K-12
2929 W Waikiki Road
Spokane, WA 99208
(509) 466-1636
Spokane, WA 99208
(509) 466-1636
Rank: #3535.
Founding Date: 1957
Grades: NS-12
7723 Chambers Creek Rd W University Place
University Place, WA 98467
(253) 620-8373
University Place, WA 98467
(253) 620-8373
Show 100 more private schools in WA (out of 169 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 1976 for 2025.
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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