Oldest Private High Schools in North Dakota

The average private high school in North Dakota was founded around 1955 (2026-27).
The oldest private high school in North Dakota is St. Mary's Central High School, founded in 1878.

Quick Facts (26-27)

  • # ND Schools Ranked: 13
  • Top 20 Range (Year Founded): 1878–1992
  • ND School Avg.: 1954
  • National School Avg.: 1967

Quick Facts (26-27)

  • # ND Schools Ranked: 13
  • Top 20 Range (Year Founded): 1878–1992
  • ND School Avg.: 1954
  • National School Avg.: 1967
Show school map — North Dakota (year founded range: 1878–1992, avg 1954)
Year Founded Range: 1878 1992 Avg. Year Founded: 1955

Oldest Private High Schools in North Dakota (2026-27)

Map of St. Mary's Central High School
Gr: 9-12 | 336 students
Catholic
1025 N 2nd St
Bismarck, ND 58501
(701) 223-4113
Oak Grove Lutheran School Photo
Gr: PK-12 | 780 students
Avg. class size: 50 students
Sports: 19 | Extracurriculars: 32
Evangelical Lutheran Church in America (formerly AELC, ALC, or LCA)
100 South Terrace N
Fargo, ND 58102
(701) 373-7100
St. Joseph Catholic Montessori School Photo
Gr: PK-12
Avg. class size: 25 students
Sports: 5
Montessori School (Catholic)
410 Collins Ave
Mandan, ND 58554
(701) 663-9563
Map of Dakota Memorial School
Gr: 4-12 | 81 students
Alternative School
6301 19th Ave Nw
Minot, ND 58703
(701) 857-4211
Map of Dakota Memorial School- Bismarck
Gr: 7-12 | 14 students
Lutheran Church Missouri Synod
1227 N 35th St
Bismarck, ND 58501
(701) 221-5310
Map of Bishop Ryan Catholic School
Gr: PK-12 | 412 students
Sports: 10
Catholic
316 11th Ave NW
Minot, ND 58703
(701) 838-3355
Map of Trinity Catholic Schools
Gr: PK-12 | 666 students
Catholic
810 Empire Rd
Dickinson, ND 58602
(701) 483-6081
Map of Dakota 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
Map of Shiloh Christian School
Gr: PK-12 | 633 students
Christian
1915 Shiloh Dr
Bismarck, ND 58503
(701) 221-2104
Map of Hope Christian Academy
Gr: PK-12 | 127 students
2891 5th Ave W
Dickinson, ND 58601
(701) 225-3919
Map of Johnson Corners Christian Academy
Gr: K-11 | 55 students
Avg. class size: 6 students
11008 Highway 23
Watford City, ND 58854
(701) 675-2359
Map of Our Redeemers Christian School
Gr: PK-12 | 321 students
Other Lutheran
700 16th Ave Se
Minot, ND 58701
(701) 839-0772
Williston Trinity Christian School Photo
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)

Frequently Asked Questions

What is the North Dakota average private high schools founding year?
The North Dakota average private high schools founding year is 1955 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, Oak Grove Lutheran School and St. Joseph Catholic Montessori School.

Recent Articles

When Your Child Is Excluded From Private School Events
When Your Child Is Excluded From Private School Events
Learn how to support your child when excluded from private school birthday parties and social events, recognize bullying, communicate with teachers, encourage friendships, and address repeated exclusion with confidence.
Private School Scholarship Renewal Requirements
Private School Scholarship Renewal Requirements
Learn what students must do to keep private school scholarships, including academic performance, attendance, conduct, extracurricular commitments, renewal deadlines, and how parents can protect tuition assistance throughout their education.
Private School Deposits: What If You Change Schools?
Private School Deposits: What If You Change Schools?
Learn what happens to your private school enrollment deposit when your child accepts another offer, including refund policies, contract obligations, withdrawal deadlines, and practical steps to minimize financial losses.

Quick Links