Mullen High School
3601 S Lowell Blvd, Denver, CO 80236Open, per Google (checked Oct 2, 2026)
Mullen High School is a Roman Catholic private school in Denver, CO teaching grades 9-12. It reported 753 students and about 13.1 students for every teacher in the 2023-24 federal survey.
School facts
- Grades
- 9-12
- Students
- 753
- Teachers
- 58
- Students per teacher
- 13.1
- Student body
- Coeducational
- Affiliation
- Roman Catholic
- Go on to a 4-year college
- 98%
- Setting
- City
These are the numbers the school gave the U.S. Department of Education for the 2023-24 school year, published in July 2026. The survey counts students in kindergarten to grade 12, not pre-K. Enrollment and staffing move every year, so ask the school for today’s figures. Where this comes from. Something wrong? Tell us and we will fix it.
Mullen High School tuition
Published tuition (2026-27): grades 9 to 12: $22,500 · required fees $400 a year.
Tuition from Mullen High School's website, checked October 5, 2026. Some grades or programs may cost more or less. Confirm with the school.
Questions to ask Mullen High School
- Is the published tuition still current for 2026-27, and which fees are required on top of it?
- Is there a waitlist or an application deadline for my child’s grade?
- Do you offer financial aid, sibling discounts or payment plans?
A school is the only source for its current price and open seats. Its website or admissions office can answer these.
Tuition at nearby private schools
| School | Published tuition | Year | Miles |
|---|---|---|---|
| Colorado Academy | $39,700 to $43,420 | not stated | 1.7 |
| Denver Christian School | $13,750 to $17,325 | 2026-27 | 2.1 |
Each figure was read on that school's own website and is linked on its page. Ranges run from the lowest to the highest grade band.
Other private schools nearby
| School | Grades | Students | Miles |
|---|---|---|---|
| Humanex Academy | 6-12 | 39 | 2 |
| Colorado Academy | PreK-12 | 1,009 | 2 |
| Notre Dame Parish School | PreK-8 | 169 | 2 |
| Denver Christian School | PreK-12 | 865 | 2 |
| Havern School | 1-8 | 71 | 2 |
| Zion Lutheran School | PreK-8 | 66 | 3 |
| All Souls Catholic School | PreK-8 | 279 | 3 |
| St. Mary Littleton | PreK-8 | 370 | 4 |
Private schools
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