The average private high school in Oklahoma was founded around 1959 (2025).
The oldest private high school in Oklahoma is Oklahoma Christian School (upper Elementary), founded in 1070.
Year Founded Range: 1070
1983
Avg. Year Founded: 1926
Oldest Private High Schools in Oklahoma (2025)
School
Founding Date
Grades
Location
Rank: #11.
Founding Date: 1070
Grades: PK-12
4680 E 2nd St
Edmond, OK 73034
(405) 341-2265
Edmond, OK 73034
(405) 341-2265
Rank: #22.
Goodland Academy![Goodland Academy Photo]( "Goodland Academy Photo")
Alternative School
Founding Date: 1848
Grades: 3-10
1216 N 4200 Rd
Hugo, OK 74743
(580) 326-7568
Hugo, OK 74743
(580) 326-7568
Rank: #33.
Founding Date: 1902
Grades: 7-12
22387 E 1070 Rd
Clinton, OK 73601
(580) 343-2262
Clinton, OK 73601
(580) 343-2262
Rank: #44.
Mount Saint Mary Catholic High School
(Catholic)
Founding Date: 1903
Grades: 9-12
2801 S Shartel Ave
Oklahoma City, OK 73109
(405) 631-8865
Oklahoma City, OK 73109
(405) 631-8865
Rank: #5 - 65. - 6.
Founding Date: 1905
Grades: K-9
20 Broadlawn Shopping Ctr
Ardmore, OK 73401
(580) 226-2120
Ardmore, OK 73401
(580) 226-2120
Rank: #5 - 65. - 6.
Talala Christian Academy
(Baptist)
Founding Date: 1905
Grades: 9-12
203 S Cedar St
Talala, OK 74080
(918) 275-4175
Talala, OK 74080
(918) 275-4175
Rank: #77.
Ketchum SDA Junior Academy
(Seventh Day Adventist)
Founding Date: 1908
Grades: PK-10
35369 S Highway 82
Vinita, OK 74301
(918) 782-2986
Vinita, OK 74301
(918) 782-2986
Rank: #88.
Oklahoma Bible Academy
(Mennonite)
Founding Date: 1911
Grades: 6-12
5913 W Chestnut Ave
Enid, OK 73703
(580) 242-4104
Enid, OK 73703
(580) 242-4104
Rank: #99.
Tulsa Adventist Academy
(Seventh Day Adventist)
Founding Date: 1916
Grades: PK-12
900 S New Haven Ave
Tulsa, OK 74112
(918) 834-1107
Tulsa, OK 74112
(918) 834-1107
Rank: #1010.
Holland Hall![Holland Hall Photo - More space to learn and grow. Here our Primary School students make some campfire S'Mores during an outdoor unit. S'More?! How can I have more when I haven't had any?! *Bonus points for knowing the quote*]( "Holland Hall Photo - More space to learn and grow. Here our Primary School students make some campfire S'Mores during an outdoor unit. S'More?! How can I have more when I haven't had any?! *Bonus points for knowing the quote*")
(Episcopal)
Founding Date: 1922
Grades: NS-12
5666 E 81st
Tulsa, OK 74137
(918) 481-1111
Tulsa, OK 74137
(918) 481-1111
Rank: #1111.
Cascia Hall Preparatory School![Cascia Hall Preparatory School Photo - St. Rita Chapel]( "Cascia Hall Preparatory School Photo - St. Rita Chapel")
(Catholic)
Founding Date: 1926
Grades: 6-12
2520 S Yorktown Ave,
Tulsa, OK 74114
(918) 746-2600
Tulsa, OK 74114
(918) 746-2600
Rank: #1212.
Hope Harbor Children's Home Academy
Alternative School (Church of Christ)
Founding Date: 1946
Grades: 7-12
15025 East 380 Road
Claremore, OK 74018
(918) 343-0003
Claremore, OK 74018
(918) 343-0003
Rank: #1313.
Casady School![Casady School Photo - Casady School includes four divisions: Primary for Pre-K, Lower for grades 1-4, Middle for grades 5-8, and Upper for grades 9-12.]( "Casady School Photo - Casady School includes four divisions: Primary for Pre-K, Lower for grades 1-4, Middle for grades 5-8, and Upper for grades 9-12.")
(Episcopal)
Founding Date: 1947
Grades: PK-12
9500 N Pennsylvania Ave
Oklahoma City, OK 73120
(405) 749-3200
Oklahoma City, OK 73120
(405) 749-3200
Rank: #1414.
Bishop Mcguinness Catholic High School
(Catholic)
Founding Date: 1950
Grades: 9-12
801 NW 50th Street
Oklahoma City, OK 73118
(405) 842-6638
Oklahoma City, OK 73118
(405) 842-6638
Rank: #1515.
Cookson Hills Christian School
(Christian)
Founding Date: 1957
Grades: K-12
60416 Hwy. 10
Kansas, OK 74347
(918) 948-6300
Kansas, OK 74347
(918) 948-6300
Rank: #1616.
Founding Date: 1960
Grades: 9-12
3905 S Hudson Avenue
Tulsa, OK 74135
(918) 609-7153
Tulsa, OK 74135
(918) 609-7153
Rank: #17 - 1817. - 18.
Founding Date: 1961
Grades: 2-12
8906 E. 34th Street
Tulsa, OK 74145
(918) 296-3113
Tulsa, OK 74145
(918) 296-3113
Rank: #17 - 1817. - 18.
Trinity School
Special Education School (Christian)
Founding Date: 1961
Grades: K-12
3200 N Walker
Oklahoma City, OK 73118
(405) 525-5600
Oklahoma City, OK 73118
(405) 525-5600
Rank: #1919.
Founding Date: 1969
Grades: PK-12
1800 NW 122nd Street
Oklahoma City, OK 73120
(405) 936-3009
Oklahoma City, OK 73120
(405) 936-3009
Rank: #2020.
Classen Montessori School
Montessori School
Founding Date: 1971
Grades: PK-9
2323 Classen Blvd.
Norman, OK 73071
(405) 321-1275
Norman, OK 73071
(405) 321-1275
Rank: #21 - 2221. - 22.
Founding Date: 1972
Grades: PK-12
4400 SE 27th STREET
Oklahoma City, OK 73115
(405) 672-1787
Oklahoma City, OK 73115
(405) 672-1787
Rank: #21 - 2221. - 22.
Founding Date: 1972
Grades: PK-11
3100 N Rockwell Ave
Bethany, OK 73008
(405) 491-6645
Bethany, OK 73008
(405) 491-6645
Rank: #23 - 2423. - 24.
Founding Date: 1976
Grades: PK-12
8304 S. 107th E. Ave.
Tulsa, OK 74133
(918) 294-0404
Tulsa, OK 74133
(918) 294-0404
Rank: #23 - 2423. - 24.
Wesleyan Christian School![Wesleyan Christian School Photo - Elementary Chapel]( "Wesleyan Christian School Photo - Elementary Chapel")
(Methodist)
Founding Date: 1976
Grades: PK-12
1780 Silver Lake Rd
Bartlesville, OK 74006
(918) 333-8631
Bartlesville, OK 74006
(918) 333-8631
Rank: #25 - 2625. - 26.
King's Gate Christian School![King's Gate Christian School Photo]( "King's Gate Christian School Photo")
(Christian)
Founding Date: 1977
Grades: NS-12
12421 N. Mustang Rd.
Yukon, OK 73099
(405) 283-0144
Yukon, OK 73099
(405) 283-0144
Rank: #25 - 2625. - 26.
Life Christian Academy
(Christian)
Founding Date: 1977
Grades: PK-12
3200 N Choctaw Rd
Choctaw, OK 73020
(405) 390-5081
Choctaw, OK 73020
(405) 390-5081
Rank: #2727.
Cornerstone Christian Academy
All-girls (Baptist)
Founding Date: 1980
Grades: PK-12
7770 N Whirlpool Dr
Sperry, OK 74073
(918) 274-3918
Sperry, OK 74073
(918) 274-3918
Rank: #28 - 3128. - 31.
Founding Date: 1981
Grades: PK-12
3801 SE 29th Street
Oklahoma City, OK 73115
(405) 677-6000
Oklahoma City, OK 73115
(405) 677-6000
Rank: #28 - 3128. - 31.
Lakewood Christian School
(Christian)
Founding Date: 1981
Grades: PK-12
840 S George Nigh Expy
Mcalester, OK 74501
(918) 426-2000
Mcalester, OK 74501
(918) 426-2000
Rank: #28 - 3128. - 31.
Oklahoma Academy![Oklahoma Academy Photo]( "Oklahoma Academy Photo")
(Seventh Day Adventist)
Founding Date: 1981
Grades: 9-12
6100 Academy Lane
Harrah, OK 73045
(405) 454-6212
Harrah, OK 73045
(405) 454-6212
Rank: #28 - 3128. - 31.
Victory Christian School![Victory Christian School Photo]( "Victory Christian School Photo")
(Christian)
Founding Date: 1981
Grades: PK-12
7700 South Lewis Avenue
Tulsa, OK 74136
(918) 491-7720
Tulsa, OK 74136
(918) 491-7720
Rank: #32 - 3432. - 34.
Founding Date: 1982
Grades: PK-12
602 S Mounds St
Sapulpa, OK 74066
(918) 227-2441
Sapulpa, OK 74066
(918) 227-2441
Rank: #32 - 3432. - 34.
Founding Date: 1982
Grades: PK-12
2300 S Yukon Parkway
Yukon, OK 73099
(405) 354-9222
Yukon, OK 73099
(405) 354-9222
Rank: #32 - 3432. - 34.
Woodward Christian Academy
(Christian)
Founding Date: 1982
Grades: PK-11
1900 Kansas
Woodward, OK 73801
(580) 256-1877
Woodward, OK 73801
(580) 256-1877
Rank: #3535.
Founding Date: 1983
Grades: PK-12
6363 S. Trenton Avenue
Tulsa, OK 74136
(918) 745-9868
Tulsa, OK 74136
(918) 745-9868
Show 30 more private schools in OK (out of 65 total schools)
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Frequently Asked Questions
What is the Oklahoma average private high schools founding year?
The Oklahoma average private high schools founding year is 1959 for 2025.
What are the private high schools with oldest founding year in Oklahoma?
The top ranked private high schools in Oklahoma include Oklahoma Christian School (upper Elementary), Goodland Academy and Corn Bible Academy.
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