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Lutheran High School Photo - Lutheran High School - Encouraging academic excellence, Nurturing growth in Christ.
Lutheran High School

Largest Colorado Private High Schools

The average private high school in Colorado has 233 students (2025-26).
The largest private high school in Colorado is Regis Jesuit High School, with 1,682 students.
School Size Range: 260 1,682 Avg. School Size: 626

Largest Colorado Private High Schools (2025-26)

School
# Students
Grades
Location
Rank: #11.
Regis Jesuit High School
Regis Jesuit High School Photo
Special Program Emphasis (Catholic)
(1)
Students: 1,682
Grades: 9-12
6380 S Lewiston Way
Aurora, CO 80016
(303) 269-8000
Rank: #22.
Resurrection Christian School
Resurrection Christian School Photo
(Christian)
(1)
Students: 1,622
Grades: PK-12
6508 E Crossroads Blvd
Loveland, CO 80538
(970) 612-0674
Rank: #33.
Valor Christian High School
Valor Christian High School Photo - Library
(Christian)
Students: 1,200
Grades: 9-12
3775 Grace Blvd
Littleton, CO 80126
(303) 471-3000
Rank: #44.
Colorado Academy
Colorado Academy Photo - Every day on campus, CA's lives the mission to create curious, kind, courageous, and adventurous learners and leaders. Our dedicated teachers offer an innovative and rigorous curriculum rooted in the liberal arts and sciences. We do it with innovation and creativity and by encouraging students to think outside the box. We want students to ask "why?" and "why not?".
Students: 1,047
Grades: PK-12
3800 S Pierce St
Denver, CO 80235
(303) 914-2513
Rank: #55.
Lutheran High School
Lutheran High School Photo - Lutheran High School - Encouraging academic excellence, Nurturing growth in Christ.
(Lutheran Church Missouri Synod)
(3)
Students: 988
Grades: 9-12
11249 N Newlin Gulch Blvd
Parker, CO 80134
(303) 841-5551
Rank: #66.
Colorado Springs Christian Schools
(Christian)
(1)
Students: 882
Grades: K-12
4855 Mallow Rd
Colorado Springs, CO 80907
(719) 599-3553
Rank: #77.
Faith Christian High School
(Christian)
Students: 873
Grades: K-12
Administration Offices 12189 W 64th Ave
Arvada, CO 80004
(303) 424-7310
Rank: #88.
Mullen High School
Mullen High School Photo - Class of 2024 shows off their future college gear during Lasallian Heritage Week.
(Catholic)
(1)
Students: 860
Grades: 9-12
3601 S Lowell Blvd
Denver, CO 80236
(303) 761-1764
Rank: #99.
Kent Denver School
Kent Denver School Photo
Students: 784
Grades: 6-12
4000 East Quincy Avenue
Englewood, CO 80113
(303) 770-7660
Rank: #1010.
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.
(Calvinist)
Students: 687
Grades: K-12
3898 S. Teller St.
Denver, CO 80235
(303) 733-2421
Rank: #1111.
International School of Denver
International School of Denver Photo
Special Program Emphasis
(9)
Students: 684
Grades: PK-9
7701 E 1st Pl, Unit C
Denver, CO 80230
(303) 340-3647
Rank: #1212.
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.
(Catholic)
(6)
Students: 678
Grades: NS-12
4545 South University Boulevard
Englewood, CO 80113
(303) 762-8300
Rank: #1313.
Crescent View Academy
Crescent View Academy Photo
(Islamic)
Students: 660
Grades: PK-12
10958 East Bethany Drive
Aurora, CO 80014
(303) 745-2245
Rank: #1414.
Holy Family High School
(Catholic)
Students: 642
Grades: 9-12
5195 W 144th Ave
Broomfield, CO 80023
(303) 410-1411
Rank: #1515.
Arma Dei Academy
Arma Dei Academy Photo
Special Program Emphasis (Christian)
Students: 602
Grades: PK-12
341 E. Wildcat Reserve Parkway
Littleton, CO 80126
(303) 346-4523
Rank: #1616.
Dayspring Christian Academy
Dayspring Christian Academy Photo
(Christian)
(5)
Students: 565
Grades: PK-12
3734 W 20th St
Greeley, CO 80634
(970) 330-1151
Rank: #1717.
Flatiron's Academy
Flatiron's Academy Photo - Flatirons Academy
(3)
Students: 515
Grades: K-12
12000 Zuni Street
Denver, CO 80234
(303) 451-1421
Rank: #1818.
Front Range Christian School
Front Range Christian School Photo - At Front Range Christian School all students are known and loved. The mission to partner with the Christian home and Church to train and equip students to impact the world for Christ!
(Christian)
(3)
Students: 492
Grades: PK-12
6657 W Ottawa Ave Ste A17
Littleton, CO 80128
(720) 922-3269
Rank: #1919.
Dawson School
Dawson School Photo - Dawson School sits on a beautiful 107-acre campus, serving families from Boulder, Longmont, Broomfield, Erie, Lafayette, Louisville, and the surrounding area
(13)
Students: 477
Grades: K-12
10455 Dawson Drive
Lafayette, CO 80026
(303) 665-6679
Rank: #2020.
Front Range Christian Junior/senior High School
(Christian)
Students: 465
Grades: PK-12
6637 W Ottawa Ave
Littleton, CO 80128
(720) 922-3269
Rank: #2121.
Denver Academy
Denver Academy Photo - Visual Arts
Special Education School
Students: 457
Grades: 2-12
4400 E Iliff Avenue
Denver, CO 80222
(303) 777-5161
Rank: #2222.
Belleview Christian School
Belleview Christian School Photo - As a college preparatory school, our standards at Belleview Christian School are high. Specials include Art, Music (Band, Choir, and Strings), Theatre, PE, Chapel, Spanish, Computer, and more depending upon the students grade level. We strive for, as one parent put it: "An education founded on God`s precepts, focused on God`s glory."
(Christian)
(4)
Students: 443
Grades: NS-12
3455 W 83rd Ave
Westminster, CO 80031
(303) 427-5459
Rank: #2323.
Arrupe Jesuit High School
(Catholic)
Students: 427
Grades: 9-12
4343 Utica St
Denver, CO 80212
(303) 455-7449
Rank: #2424.
Vail Mountain School
Vail Mountain School Photo
(7)
Students: 418
Grades: K-12
3000 Booth Falls Road
Vail, CO 81657
(970) 476-3850
Rank: #2525.
Front Range Academy
Alternative School
Students: 400
Grades: 6-12
1008 Depot Hill Road
Broomfield, CO 80020
(303) 469-0496
Rank: #2626.
Flatirons Academy
(Christian)
Students: 399
Grades: PK-12
12000 Zuni St
Denver, CO 80234
(303) 284-1402
Rank: #2727.
Denver Waldorf School
Denver Waldorf School Photo - The Denver Waldorf School
Special Program Emphasis
(6)
Students: 377
Grades: PK-12
2100 S. Pennsylvania St.
Denver, CO 80210
(303) 777-0531
Rank: #2828.
Pikes Peak Christian School
(Church of Christ)
(3)
Students: 373
Grades: NS-12
5905 Flintridge Dr
Colorado Springs, CO 80918
(719) 598-8610
Rank: #2929.
Trinity Christian School
(Christian)
Students: 361
Grades: PK-12
5055 El Camino Dr.
Colorado Springs, CO 80918
(478) 272-7699
Rank: #3030.
Denver Jewish Day School
Denver Jewish Day School Photo
(Jewish)
(2)
Students: 351
Grades: PK-12
2450 S Wabash St
Denver, CO 80231
(303) 369-0663
Rank: #3131.
Family Academy Of Christian Education
(Christian)
Students: 350
Grades: PK-12
6704 W 98th Cir
Broomfield, CO 80021
(303) 204-5191
Rank: #3232.
The Colorado Springs School
The Colorado Springs School Photo - The Colorado Springs School is PreK-12 college-preparatory day and international school nestled in the heart of Broadmoor.
(1)
Students: 336
Grades: PK-12
21 Broadmoor Ave
Colorado Springs, CO 80906
(719) 434-3500
Rank: #3333.
Evangelical Christian Academy
Evangelical Christian Academy Photo
(Presbyterian)
Students: 272
Grades: PK-12
4050 Nonchalant Circle S
Colorado Springs, CO 80917
(719) 597-3675
Rank: #3434.
Augustine Classical Academy
Augustine Classical Academy Photo
(Christian)
(1)
Students: 266
Grades: PK-12
480 South Kipling St.
Denver, CO 80226
(720) 446-6286
Rank: #3535.
Colorado Heritage Education School System
Alternative School (Christian)
Students: 260
Grades: K-12
1300 9th St
Greeley, CO 80631
(970) 346-0099
Show 90 more private schools in CO (out of 125 total schools)
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Frequently Asked Questions

What is the Colorado average private high schools student size?
The Colorado average private high schools student size is 233 for 2025-26.
What are the private high schools with the largest student size in Colorado?
The top ranked private high schools in Colorado include Regis Jesuit High School, Resurrection Christian School and Valor Christian High School.

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