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²ÝÁñÉçÇø School Review - Established 2003
Oak Grove Lutheran School Top 3 · Highest Avg. ACT Score (ND)
St. Joseph Catholic Montessori School Top 6 · Oldest Founding Date (ND)
Anne Carlsen Center Top 11 · Oldest Founding Date (ND)

Oldest ²ÝÁñÉçÇø High Schools in North Dakota

The average private high school in North Dakota was founded around 1950 (2026-27).
The oldest private high school in North Dakota is St. Mary's Central High School, founded in 1878.

Quick Facts (2026-27)

  • # ND Schools Ranked: 15
  • Top 20 Range (Year Founded): 1878–1992
  • ND School Avg.: 1950
  • National School Avg.: 1967

Quick Facts (2026-27)

  • # ND Schools Ranked: 15
  • Top 20 Range (Year Founded): 1878–1992
  • ND School Avg.: 1950
  • National School Avg.: 1967
Show school map — North Dakota (year founded range: 1878–1992, avg 1950)
Year Founded Range: 1878 1992 Avg. Year Founded: 1950

Oldest ²ÝÁñÉçÇø High Schools in North Dakota (2026-27)

Showing 15 schools
Map of St. Mary's Central High School
#1St. Mary's Central High School
Gr: 9-12 | 336 students
Catholic
1025 N 2nd St
Bismarck, ND 58501
(701) 223-4113
1878year founded
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Map of Trinity Elementary North School
#2Trinity Elementary North School
Gr: PK-12 | 663 students
Catholic
810 Empire Road
Dickinson, ND 58601
(701) 483-6081
1904year founded
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Oak Grove Lutheran School Photo
#3Oak Grove Lutheran School
Gr: PK-12 | 747 students
Avg. class size: 13 students
Sports: 18 | Extracurriculars: 28
Evangelical Lutheran Church in America (formerly AELC, ALC, or LCA)
100 South Terrace N
Fargo, ND 58102
(701) 373-7114
1906year founded
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St. Joseph Catholic Montessori School Photo
#4St. Joseph Catholic Montessori School
Gr: PK-12
Avg. class size: 25 students
Sports: 5
Montessori School (Catholic)
410 Collins Ave
Mandan, ND 58554
(701) 663-9563
1913year founded
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Map of Little Flower Elementary School
#5Little Flower Elementary School
Gr: PK-9 | 143 students
Catholic
306 3rd Ave Se
Rugby, ND 58368
(701) 776-6258
1942year founded
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Anne Carlsen Center Photo
#6Anne Carlsen Center
Gr: K-12 | 56 students
Avg. class size: 6 students
Special Education School (Christian)
701 3rd St Nw
Jamestown, ND 58401
(701) 320-7995
1950year founded
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Map of Dakota Memorial School
#7Dakota Memorial School
Gr: 4-12 | 81 students
Alternative School
6301 19th Ave Nw
Minot, ND 58703
(701) 857-4211
1952year founded
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Map of Bishop Ryan Catholic School
#8Bishop Ryan Catholic School
Gr: PK-12 | 412 students
Sports: 10
Catholic
316 11th Ave NW
Minot, ND 58703
(701) 838-3355
1958year founded
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Map of Trinity Catholic Schools
#9Trinity Catholic Schools
Gr: PK-12 | 666 students
Catholic
810 Empire Rd
Dickinson, ND 58602
(701) 483-6081
1961year founded
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Map of Dakota Adventist Academy
#10Dakota Adventist Academy
Gr: 9-12 | 23 students
Avg. class size: 7 students
Sports: 4 | Extracurriculars: 10
Seventh Day Adventist
15905 Sheyenne Cir
Bismarck, ND 58503
(701) 258-9000
1977year founded
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Map of Shiloh Christian School
#11Shiloh Christian School
Gr: PK-12 | 633 students
Christian
1915 Shiloh Dr
Bismarck, ND 58503
(701) 221-2104
1978year founded
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Map of Hope Christian Academy
#12Hope Christian Academy
Gr: PK-12 | 127 students
2891 5th Ave W
Dickinson, ND 58601
(701) 225-3919
1981year founded
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Map of Johnson Corners Christian Academy
#13(°Õ13–T14)Johnson Corners Christian Academy
Gr: K-11 | 55 students
Avg. class size: 6 students
11008 Highway 23
Watford City, ND 58854
(701) 675-2359
1982year founded
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Map of Our Redeemers Christian School
#13(°Õ13–T14)Our Redeemers Christian School
Gr: PK-12 | 321 students
Other Lutheran
700 16th Ave Se
Minot, ND 58701
(701) 839-0772
1982year founded
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Williston Trinity Christian School Photo
#15Williston Trinity Christian School
Gr: NS-12 | 318 students
Avg. class size: 17 students
Sports: 13 | Extracurriculars: 9
Christian
2419 9th Ave W
Williston, ND 58801
(701) 774-9056
(2)
1992year founded
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Frequently Asked Questions

What is the North Dakota average private high schools founding year?
The North Dakota average private high schools founding year is 1950 for 2026-27.
What are the private high schools with oldest founding year in North Dakota?
The top ranked private high schools in North Dakota include St. Mary's Central High School, Trinity Elementary North School and Oak Grove Lutheran School.

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