Mullen High School Photo - Incoming class of 2029

Best Colorado Private High Schools Belonging to Other religious school association(s) (2026)

For the 2026 school year, there are 6 private high schools belonging to Other religious school association(s) serving 1,397 students in Colorado. You can also find more schools membership associations in Colorado.
The top-ranked private high schools belonging to Other religious school association(s) in Colorado include Flatirons Academy and Mullen High School.
The average acceptance rate is 85%, which is higher than the Colorado private high school average acceptance rate of 83%.
100% of private high schools belonging to Other religious school association(s) in Colorado are religiously affiliated (most commonly Christian and Catholic).

Top-Ranked Private High Schools Belonging to Other religious school association(s) in Colorado (2026)

School
Location
Quick Facts
Flatirons Academy
(Christian)
12000 Zuni St
Denver, CO 80234
(303) 284-1402
Gr: PK-12 | 399 students
Mullen High School
Mullen High School Photo - Incoming class of 2029
(Catholic)
(1)
3601 S Lowell Blvd
Denver, CO 80236
(303) 761-1764
Gr: 9-12 | 860 students Avg. class size: 20 students Sports: 18 Tuition & acceptance rate listed
Calvary Apostolic Academy
(Pentecostal)
5900 E Yale Ave
Denver, CO 80222
(303) 758-5900
Gr: PK-12 | 58 students
Denver Street School-east Campus
(Christian)
1585 Kingston St
Aurora, CO 80010
(720) 935-2154
Gr: 9-12 | 28 students
North Lutheran High School
(Lutheran Church Missouri Synod)
11700 Irma Drive
Denver, CO 80233
(720) 887-9031
Gr: 9-12 | 32 students
Rangely Christian Academy
(Baptist)
1402 E Main St
Rangely, CO 81648
(970) 675-2032
Gr: K-12 | 20 students

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