Mount St. Marys Academy

Mt. St. Mary Academy, the educational ministry of St. Patrick Parish, was established in 1859.
Our mission is to serve families primarily of the Catholic Communities of St. Patrick, St. Canice and St. Dominic as well as families of other faith traditions and surrounding communities.
Recognizing that parents are the primary educators of their children, we collaborate to educate our students to achieve their potential in the areas of faith development, academic excellence, social awareness and emotional growth.
We exist to inspire and motivate our students to recognize their call to be responsible, faith-filled leaders in the reality of today`s multicultural and diverse world.
Mount Saint Mary`s is the oldest continuously operating Catholic school west of the Mississippi. Founded in 1859, Mount Saint Mary`s is accredited by the Western Association of Schools and Colleges, and proud of a fully credentialed faculty.
Mount Saint Mary`s teacher/student ratio is 1:18.  A strong academic foundation is emphasized, as children become engaged in the joy and responsibility of learning as a lifelong process.

Quick Facts (2026)

  • Top-Ranked CA School
  • Grades: Prekindergarten-8
  • Enrollment: 199 students
  • Yearly Tuition: $4,050
  • Acceptance rate: 90%
  • Average class size: 20 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

Mount St. Marys Academy ranks among the top 20% of private schools in California for:

School Overview

Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1859
Summer School Offered
Yes
Summer Program Details
School Calendar
Last Day of School
Fri. Jun 5, 2026

Student Body

Total Students
199 students
Student Body Type
Co-ed
% Students of Color
9%
State avg.: 51%
Students by Grade
Mount St. Marys Academy Student By Grade

Academics and Faculty

Total Classroom Teachers
11 teachers
Student-Teacher Ratio
18:1
National avg.: 13:1
% Faculty w/Advanced Degree
95%
Average Class Size
20 students
Classroom Dress Code
Formal
white or nave polo with khaki or navy shorts and/or pants and plaid shirts for girls

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
Tuition Assistance for those families who qualify
Acceptance Rate
90%
National avg.: 82%

Sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
6 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Beginning and Advanced RoboticsComputer Programming/Game Development
Cooking ClubGardening Club
Homework Club and Peer Tutoring


Arts and Music Programs:
music

School Notes

  • School Mascot: Eagle
  • Mt. St. Mary Academy, the educational ministry of St. Patrick Parish, was established in 1859.
  • Our mission is to serve families primarily of the Catholic Communities of St. Patrick, St. Canice and St. Dominic as well as families of other faith traditions and surrounding communities.
  • Recognizing that parents are the primary educators of their children, we collaborate to educate our students to achieve their potential in the areas of faith development, academic excellence, social awareness and emotional growth.
  • We exist to inspire and motivate our students to recognize their call to be responsible, faith-filled leaders in the reality of today`s multicultural and diverse world.
  • Mount Saint Mary`s is the oldest continuously operating Catholic school west of the Mississippi. Founded in 1859, Mount Saint Mary`s is accredited by the Western Association of Schools and Colleges, and proud of a fully credentialed faculty.
  • Mount Saint Mary`s teacher/student ratio is 1:18.
  • A strong academic foundation is emphasized, as children become engaged in the joy and responsibility of learning as a lifelong process.
Source: Verified school update

Frequently Asked Questions

How much does Mount St. Marys Academy cost?
Mount St. Marys Academy's tuition is approximately $4,050 for private students.
What schools are Mount St. Marys Academy often compared to?
Mount St. Marys Academy is often viewed alongside schools like Echo Ridge Christian School by visitors of our site.
What is the acceptance rate of Mount St. Marys Academy?
The acceptance rate of Mount St. Marys Academy is 90%, which is higher than the national average of 81%.
Does Mount St. Marys Academy offer a summer program?
Yes, Mount St. Marys Academy offers a summer program. Visit their summer school page for more information.
What sports does Mount St. Marys Academy offer?
Mount St. Marys Academy offers 5 interscholastic sports: Basketball, Cross Country, Flag Football, Track and Field and Volleyball.
What is Mount St. Marys Academy's ranking?
Mount St. Marys Academy ranks among the top 20% of private schools in California for: Least expensive tuition, Highest percentage of faculty with advanced degrees and Oldest founding date.
When is the application deadline for Mount St. Marys Academy?
The application deadline for Mount St. Marys Academy is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2026)

  • Top-Ranked CA School
  • Grades: Prekindergarten-8
  • Enrollment: 199 students
  • Yearly Tuition: $4,050
  • Acceptance rate: 90%
  • Average class size: 20 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

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The average private school tuition in Nevada County, CA is $18,450 for elementary schools (read more about average private school tuition across the country).

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