Average
#149 of 188 private schools in CO
Mullen High School
High School
3601 S LOWELL BLVD, Denver, CO 80236
Estimated academic score. This school does not have standardized test data. Based on CO statewide data. Learn more
Enrollment
765
Student-Teacher
12:1
Score
5.4
Grades
9th – 12th
Enrollment
765
Student-Teacher
12:1
Score
5.4
Grades
9th – 12th
Updated
2021-22
Updated 2021-22
How this school compares
In Denver
#30 of 36
public schools
Colorado high schools
#19 of 24
About Mullen High School
Mullen High School stands out as one of Colorado's top-performing high schools, earning an impressive 8.1 out of 10 rating from MySchoolScout and ranking #3 out of 188 high schools statewide, placing it in the 99th percentile. This regular public high school serves 765 students in grades 9 through 12 with a favorable 12:1 student-teacher ratio, supported by 64 full-time equivalent teachers. The school's exceptional ranking reflects its commitment to academic excellence, making it a highly sought-after option for families in the Denver area.
With its manageable enrollment size, students can expect more personalized attention and stronger teacher-student relationships compared to larger institutions. Mullen High School is located in a stable, middle-class neighborhood where the median household income reaches $82,633 and home values average $460,100. The surrounding community shows strong educational values, with 34% of residents holding bachelor's degrees or higher, while maintaining a low poverty rate of just 8.7%.
This supportive environment contributes to the school's success and provides students with positive community role models. The school sits on South Lowell Boulevard in Denver's large city setting, offering students access to urban opportunities while serving a well-established residential community.
What Parents Should Know
As a private school, Mullen High School operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.
Compare to Public Schools
BetaHow Mullen High School compares to 61 public schools serving similar grades in Denver, CO
Student Demographics
Nearby High Schools
| School | Rating |
|---|---|
| Mullen High School (this school) | 5.4 |
| DSST: College View High School | 9.1 |
| Kunsmiller Creative Arts Academy | 3.5 |
| Abraham Lincoln High School | 4.4 |
| John F Kennedy High School | 7.8 |
| Respect Academy | 5.3 |
| Summit Academy | 7.5 |
| Excel Academy | 4.8 |
| Mountview Youth Service Center | — |
| Rocky Mountain Prep SMART | 4.8 |
| 5280 High School | 7.3 |
| D'Evelyn Junior/Senior High School | 6.5 |
| KIPP Denver Collegiate High School | 6.9 |
| Denver Online | 3.1 |
| Florence Crittenton High School | 6.2 |
| South High School | 8.5 |
| DSST: Cedar High School | 7.2 |
| Denver Center for International Studies | 5.9 |
| Girls Athletic Leadership School High School | 7.8 |
| West High School | 4.7 |
| Colorado High School Charter | 7.5 |
Showing 20 of 61 schools. View all schools in Denver
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
Score Breakdown
What This Rating Measures
This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in CO.
Data Unavailable
View data sources
Score basis: Private school model
Data coverage: 80% of scoring components had data
Components scored: 4 of 5
Ranking pool: Private schools in CO
Test Scores
Test score data not yet available for this school.
Student Demographics NCES PSS (SY 2021-22)
Source: NCES Private School Survey (PSS)
Location
3601 S LOWELL BLVD, Denver, CO 80236
Nearby Alternatives
Families considering Mullen High School may also want to explore other high schools in the area. DSST: College View High School (rated 9.1/10, 0.8 miles away), which scores notably higher. Another option is SOAR Academy (rated 7.0/10, 0.9 miles away, in nearby Englewood), which scores notably higher. Additionally, HUMANEX ACADEMY (rated 6.6/10, 1.6 miles away, in nearby Englewood), which scores notably higher. For more schools in Denver, see our Denver schools guide .
Nearby Schools
20 within 2.0 mi| School | Distance | Rating |
|---|---|---|
| Fort Logan Northgate Denver | 0.5 mi | 5.5 |
| Sheridan High School Englewood | 0.7 mi | 4.6 |
| Sabin World School Denver | 0.7 mi | 8.5 |
| DSST: College View Middle School Denver | 0.8 mi | 5.7 |
| DSST: College View High School Denver | 0.8 mi | 9.1 |
| Early Childhood Education Center Englewood | 0.9 mi | 7.2 |
| SOAR Academy Englewood | 0.9 mi | 7.0 |
| Alice Terry Elementary School Englewood | 1.1 mi | 6.9 |
| Gust Elementary School Denver | 1.1 mi | 8.7 |
| Kaiser Elementary School Denver | 1.2 mi | 7.7 |
| College View Elementary School Denver | 1.3 mi | 6.1 |
| Doull Elementary School Denver | 1.5 mi | 8.6 |
| Bear Valley International School Denver | 1.3 mi | 6.4 |
| Kunsmiller Creative Arts Academy Denver | 1.7 mi | 3.5 |
| Abraham Lincoln High School Denver | 1.8 mi | 4.4 |
| HUMANEX ACADEMY Englewood | 1.6 mi | 6.6 |
| Compass Academy Denver | 1.8 mi | 5.8 |
| Traylor Academy Denver | 1.5 mi | 4.3 |
| Respect Academy Denver | 1.8 mi | 5.3 |
| NOTRE DAME PARISH SCHOOL Denver | 2.0 mi | 6.1 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 80236 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$83,543
Median Home Value
$495,800
Median Rent
$1,636/mo
Population
17,207
College Educated
31.7%
Homeownership
59.9%
Avg Commute
27.9 min
Poverty Rate
8.3%
Median Age
37.4
Community Profile
The community surrounding Mullen High School has a median household income of $83,543. It is an area where 32% of adults hold a bachelor's degree or higher. The median home value in the area is $495,800, with a median rent of $1,636/month. The local poverty rate of 8.3% is relatively low. The average commute for residents is 28 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Englewood High School Englewood, CO | 5.4 |
| Pomona High School Arvada, CO | 5.4 |
| Severance High School Severance, CO | 5.4 |
| Valley High School Gilcrest, CO | 5.5 |
| Academy of Las Animas Online School Pueblo, CO | 5.3 |
| Eaton High School Eaton, CO | 5.3 |
Frequently Asked Questions
Common questions about Mullen High School
What grades does Mullen High School serve?
Mullen High School serves students in grades 9th through 12th.
How many students attend Mullen High School?
Mullen High School has an enrollment of approximately 765 students.
What is the student-teacher ratio at Mullen High School?
The student-teacher ratio at Mullen High School is 12:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Mullen High School rank in CO?
Mullen High School is ranked #149 out of 188 private schools in CO.
What is Mullen High School's MySchoolScout rating?
Mullen High School has a composite rating of 5.4 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
Is Mullen High School a private school?
Yes, Mullen High School is a private coeducational school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is Mullen High School a religious school?
Mullen High School has a Roman Catholic religious affiliation.
Explore More Schools
Neighborhood Context
- City Safety
- High (5,773/100K)
FBI UCR 2024. City-level (Denver). Data >1 year old.
Quick Facts NCES PSS (SY 2021-22)
- Grades
- 9th – 12th
- Enrollment
- 765
- Gender Split
- 50% M / 50% F
- Student-Teacher Ratio
- 12:1
- Teachers (FTE)
- 64
- Type
- private
- Coed Status
- coed
- Affiliation
- Roman Catholic
- School Day
- 7 hours
- Days Per Year
- 167 days
- Setting
- Large City
- County
- DENVER
- Phone
- (303) 761-1764
- Data Year
- 2022–2023
Resources & Links
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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