Oldest Private High Schools in Colorado

All Schools
(250)
All Schools
(250)
 
High Schools
(74)
High Schools
(74)
 
Elementary Schools
(142)
Elementary Schools
(142)
 
Preschools
(188)
Preschools
(188)
 
The average private high school in Colorado was founded around 1973 (2021).
The oldest private high school in Colorado is St. Mary's Academy, founded in 1864.
The oldest private high schools are listed below (where sufficient data available).

Oldest Private High Schools in Colorado (2021)

  • School Founding Date Grades Location
  • Rank: #1-21.-2.
    St. Mary's Academy
    St. Mary's Academy Photo
    (Roman Catholic)
    Founding Date: 1864
    Grades: PK-124545 S University Blvd
    Englewood, CO 80113
    (303) 762-8300

  • Rank: #1-21.-2.
    St. Mary's Academy
    St. Mary's Academy Photo - St. Mary's Academy High School excels at preparing young women for leadership in a global society. Our goal is to empower our students through the development of analytical skills, confidence, and generosity to make a difference in the world around them.
    (Roman Catholic)
    Founding Date: 1864
    Grades: PK-124545 South University Boulevard
    Englewood, CO 80113
    (303) 762-8300

  • Rank: #33.
    Regis Jesuit High School
    Regis Jesuit High School Photo
    (Roman Catholic)
    Founding Date: 1877
    Grades: 9-126400 S Lewiston Way
    Aurora, CO 80016
    (303) 269-8000

  • Rank: #44.
    St. Mary's High School
    St. Mary's High School Photo - Mens' Athletics
    (Roman Catholic)
    Founding Date: 1885
    Grades: 9-122501 E Yampa St
    Colorado Springs, CO 80909
    (719) 635-7540

  • Rank: #55.
    Colorado Academy
    Colorado Academy Photo - Colorado Academy starts with Pre-Kindergartners and graduates seniors who have become curious, kind, courageous, and adventurous learners and leaders--ready to make an impact in the communities where they choose to land.
    Founding Date: 1906
    Grades: PK-123800 S Pierce St
    Denver, CO 80235
    (303) 914-2513

  • Rank: #66.
    Campion Academy
    Campion Academy Photo - Sign at entrance to campus.
    (Seventh Day Adventist)
    Founding Date: 1907
    Grades: 9-12300 42nd St SW
    Loveland, CO 80537
    (970) 667-5592

  • Rank: #77.
    Mile High Academy
    Mile High Academy Photo - Art Education
    (Seventh Day Adventist)
    Founding Date: 1913
    Grades: PK-121733 Dad Clark Drive
    Littleton, CO 80126
    (303) 744-1069

  • Rank: #8-98.-9.
    Brighton Adventist Academy
    Brighton Adventist Academy Photo - BAA Sports League: Sports included are soccer, basketball and flag football.
    (Seventh Day Adventist)
    Founding Date: 1916
    Grades: PK-10820 S 5th Ave
    Brighton, CO 80601
    (303) 659-1223

  • Rank: #8-98.-9.
    Denver Christian School
    Denver Christian School Photo - Every day is an open house at Denver Christian School.We look forward to providing a personal tour to share what DCS has to offer your students & family.Please join us this summer, starting June 9 on Sundays 2-4 pm and Wednesdays 6-8 pm, to preview our school and learn more about Denver Christian School.
    (Christian)
    Founding Date: 1916
    Grades: PK-123898 S. Teller St.
    Denver, CO 80235
    (303) 733-2421

  • Rank: #1010.
    Belleview Christian School
    Belleview Christian School Photo - As a college preparatory school, our standards at Belleview Christian School are high. Specials include Art, Music, PE, Chapel, Spanish, Computer, and Accelerated Reader.
    (Christian)
    Founding Date: 1920
    Grades: NS-123455 W 83rd Ave
    Westminster, CO 80031
    (303) 427-5459

  • Rank: #11-1211.- 12.
    Holy Family High School
    (Roman Catholic)
    Founding Date: 1922
    Grades: 9-125195 W 144th Ave
    Broomfield, CO 80023
    (303) 410-1411

  • Rank: #11-1211.- 12.
    Kent Denver School
    Kent Denver School Photo
    Founding Date: 1922
    Grades: 6-124000 East Quincy Avenue
    Englewood, CO 80113
    (303) 770-7660

  • Rank: #1313.
    Fountain Valley School Of Colorado
    Fountain Valley School Of Colorado Photo - Our Art Barn includes equipment and facilities for photography, studio art, metal-smithing and ceramics.
    Special Program Emphasis
    Founding Date: 1930
    Grades: 9-126155 Fountain Valley School Road
    Colorado Springs, CO 80911
    (719) 391-5251

  • Rank: #1414.
    Mullen High School
    (Roman Catholic)
    Founding Date: 1931
    Grades: 9-123601 S Lowell Blvd
    Denver, CO 80236
    (303) 761-1764

  • Rank: #1515. Founding Date: 1953
    Grades: 9-12500 Holden Way
    Carbondale, CO 81623
    (970) 963-2562

  • Rank: #1616.
    Lutheran High School
    Lutheran High School Photo - Lutheran High School - Encouraging academic excellence, Nurturing growth in Christ.
    (Lutheran Church Missouri Synod)
    Founding Date: 1955
    Grades: 9-1211249 N Newlin Gulch Blvd
    Parker, CO 80134
    (303) 841-5551

  • Rank: #1717. Founding Date: 1957
    Grades: 9-1242605 County Road 36
    Steamboat Springs, CO 80487
    (970) 879-1350

  • Rank: #1818.
    Bishop Machebeuf High School
    (Roman Catholic)
    Founding Date: 1958
    Grades: 9-12458 Uinta Way
    Denver, CO 80230
    (303) 344-0082

  • Rank: #19-2019.- 20. Founding Date: 1962
    Grades: PK-1221 Broadmoor Ave
    Colorado Springs, CO 80906
    (719) 475-9747

  • Rank: #19-2019.- 20. Founding Date: 1962
    Grades: K-123000 Booth Falls Road
    Vail, CO 81657
    (970) 476-3850

  • Rank: #2121.
    Dawson School
    Dawson School Photo - Each fall, the entire high school participates in class trips to many locations around the state. Students learn camping skills, rafting, leadership, team building and participate in community service.
    Founding Date: 1970
    Grades: K-1210455 Dawson Drive
    Lafayette, CO 80026
    (303) 665-6679

  • Rank: #22-2322.- 23.
    Colorado Springs Christian Schools
    (Christian)
    Founding Date: 1971
    Grades: NS-124855 Mallow Rd
    Colorado Springs, CO 80907
    (719) 599-3553

  • Rank: #22-2322.- 23. Founding Date: 1971
    Grades: 9-12910 Galapago St
    Denver, CO 80204
    (303) 629-0637

  • Rank: #24-2524.- 25.
    Denver Academy
    Denver Academy Photo - Elementary School
    Special Program Emphasis
    Founding Date: 1972
    Grades: 1-124400 E Iliff Avenue
    Denver, CO 80222
    (303) 777-5161

  • Rank: #24-2524.- 25.
    Faith Christian Academy - High School
    Faith Christian Academy - High School Photo
    (Christian)
    Founding Date: 1972
    Grades: NS-124890 Carr Street
    Arvada, CO 80002
    (303) 424-7310

  • Rank: #26-2726.- 27.
    Elmwood Baptist Academy
    Elmwood Baptist Academy Photo - A picture of the entire school.
    (Baptist)
    Founding Date: 1973
    Grades: PK-1213100 East 144th Avenue
    Brighton, CO 80601
    (303) 659-3818

  • Rank: #26-2726.- 27.
    September School
    Alternative School
    Founding Date: 1973
    Grades: 9-1296 Arapahoe Ave
    Boulder, CO 80302
    (303) 443-9933

  • Rank: #28-2928.- 29.
    Denver Waldorf School
    Denver Waldorf School Photo - The Denver Waldorf School
    Special Program Emphasis
    Founding Date: 1974
    Grades: PK-122100 S. Pennsylvania St.
    Denver, CO 80210
    (303) 777-0531

  • Rank: #28-2928.- 29.
    Parkhill Christian Academy
    (Baptist)
    Founding Date: 1974
    Grades: K-104235 Parkhill Pl
    Pueblo, CO 81008
    (719) 544-6174

  • Rank: #30-3130.- 31. Founding Date: 1975
    Grades: 9-12454 Academy Drive
    Durango, CO 81301
    (970) 247-5898

  • Rank: #30-3130.- 31.
    Denver Jewish Day School
    Denver Jewish Day School Photo - 10th graders in the Negev desert region of Israel on their annual six week Hebrew and Israel immersion experience.
    (Jewish)
    Founding Date: 1975
    Grades: NS-122450 S Wabash St
    Denver, CO 80231
    (303) 369-0663

  • Rank: #3232.
    Accelerated Schools
    Accelerated Schools Photo - snowboarding
    Special Program Emphasis
    Founding Date: 1977
    Grades: 5-122160 South Cook Street
    Denver, CO 80210
    (303) 758-2003

  • Rank: #3333.
    Calvary Christian School
    (Baptist)
    Founding Date: 1979
    Grades: K-121415 Elm Avenue
    Canon City, CO 81212
    (719) 275-5349

  • Rank: #34-3534.- 35.
    Change Christian Academy
    (Assembly of God)
    Founding Date: 1982
    Grades: PK-1212505 Elmendorf Place
    Denver, CO 80239
    (303) 373-5200

  • Rank: #34-3534.- 35.
    Desiderata School
    Desiderata School Photo - Students may complete independent study assignments with adult instructor supervision and assistance in a number of different facilities. These students are working at the Tutoring Club of Longmont during the 2010-2011 school year.
    Alternative School
    Founding Date: 1982
    Grades: 4-122051 Terry Street, Suite A
    Longmont, CO 80501
    (303) 678-9335

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