St. Mary Littleton is a Catholic co–ed private school in Littleton, CO, serving grades PK through 8 in a suburban community.
Founded in 1951, the school has an enrollment of 504 udents and a student–teacher ratio of 16:1 with 31 teachers.
Annual tuition is $9,890, which is below the average private elementary school tuition in Littleton.
The school is a member of the National Catholic Educational Association (NCEA) and reflects a udent body with 3% students of color.
Among private schools in Colorado,. Mary Littleton ranks in the top 20% for large student body and oldest founding date.
Quick Facts (2026)
- Top-Ranked CO School
- Grades: Prekindergarten-8
- Enrollment: 504 students
- Yearly Tuition: $9,890
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
St. Mary Littleton ranks among the top 20% of private schools in Colorado for:
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1951
Student Body
Total Students
504 students
Student Body Type
Co-ed
% Students of Color
3%
State avg.: 25%
Students by Grade
Academics and Faculty
Total Classroom Teachers
31 teachers
Student-Teacher Ratio
16:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Application URL
School Notes
- Sample of notable school alumni/alumnae:
- None Listed -
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
How much does St. Mary Littleton cost?
St. Mary Littleton's tuition is approximately $9,890 for private students.
Who are famous alumni from St. Mary Littleton?
St. Mary Littleton famous alumni include: None Listed.
What is St. Mary Littleton's ranking?
St. Mary Littleton ranks among the top 20% of private schools in Colorado for: Largest student body and Oldest founding date.
When is the application deadline for St. Mary Littleton?
The application deadline for St. Mary Littleton is rolling (applications are reviewed as they are received year-round).
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People that viewed St. Mary Littleton also viewed these schools: Front Range Christian School and Arma Dei Academy.
The nearest high school, elementary school and preschool to St. Mary Littleton is Japanese School Of Denver (1.3 miles away)
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School
Location
Miles
Quick Facts
6657 W Ottawa Ave Ste A17
Littleton, CO 80128
(720) 922-3269
Littleton, CO 80128
(720) 922-3269
2.9 miles
Gr: PK-12 | 492 students Avg. class size: 16 students Sports: 10 | Extracurrculars: 7 Tuition & acceptance rate listed
Arma Dei Academy![Arma Dei Academy Photo]( "Arma Dei Academy Photo")
Special Program Emphasis (Christian)
341 E. Wildcat Reserve Parkway
Littleton, CO 80126
(303) 346-4523
Littleton, CO 80126
(303) 346-4523
4.8 miles
Gr: PK-12 | 602 students Avg. class size: 16 students Sports: 6 | Extracurrculars: 3 Tuition listed
School Reviews
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