St. Mary 's Academy Photo #3 - Senior lacrosse players signing the national anthem during their senior night game.

St. Mary 's Academy

St. Mary's Academy is Oregon's oldest continuously-operating secondary school.
A nationally recognized school of excellence, St. Mary's is an established Catholic all-girls college preparatory high school that readies students for the future.
We invite you to review our Profile of Distinction.
With a 166-year tradition of educating young women, St. Mary's continues to serve a diverse school community and offer a challenging academic program which fosters the development of the whole person.
St. Mary's is large enough to provide a wide variety of experiences yet small enough to focus on the individual needs of each and every student.
In a nurturing and supportive environment, the faculty and staff challenge students to exceed their potential and provide them with skills, strength, and resources to meet those challenges.
St. Mary's provides a solid spiritual foundation through its four-year religion curriculum, campus ministry program, retreats, and service opportunities.
The curriculum provides students with an understanding of human development, Catholic Christian theology, world religions, ethics, and social justice.

Quick Facts (2025-26)

  • Top Ranked OR School
  • Grades: 9-12
  • Yearly Tuition: $20,150
  • Acceptance rate: 100%
  • Average class size: 20 students
  • Application Deadline: Jan. 9 / rolling
  • Source: Verified school update

Top Rankings

St. Mary 's Academy ranks among the top 20% of private schools in Oregon for:

Category
Attribute
Sports offered
School History
School Resources

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Dual Language Immersion Program
Secondary Immersion Language
Spanish
Year Founded
1859
Colors
White, Blue
School Calendar
Last Day of School
Fri. Jun 12, 2026
Campus Size
5 acres

Student Body

Total Students
n/a
Student Body Type
% Students of Color
33%
State avg.: 25%

Academics and Faculty

Total Classroom Teachers
51 teachers
% Faculty w/Advanced Degree
86%
Average Class Size
20 students
Number of AP Courses
12 courses
List of Courses Offered
Classroom Dress Code
Casual

Tuition and Acceptance Rate

Admission Deadline
Jan. 9 / rolling
Yearly Tuition Cost
Tuition Notes
Financial aid available - apply by January 9.
% on Financial Aid
42%
Average Financial Aid Grant
$8,000
Acceptance Rate
100%
National avg.: 81%
College Acceptance Rate
100%
Admissions Director
Sophia Vallada
Admissions Associate
Kara D'Ascenzo
Application URL
Endowment Size
$50 million

Sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
17 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
CommuniCareEscribe Maria
Justice WeekMock Trial
Model United NationsOperation Appreciation
RoboticsScience Olympiad
Student Review BoardTech Internship
TIES (Teaching, Integrating, and Exploring ScienceUNITE Day
Yearbook


Arts and Music Programs:
DanceMarian Singers
Rose ChoirTheatre

School Notes

  • School Motto: We Believe Young Women are Powerful.
  • School Mascot: Sma Blues
  • Sample of notable school alumni/alumnae:
    • Katy Peaslee, Attorney, Class of 2006 -
Source: Verified school update

Frequently Asked Questions

How much does St. Mary 's Academy cost?
St. Mary 's Academy's tuition is approximately $20,150 for private students.
What schools are St. Mary 's Academy often compared to?
St. Mary 's Academy is often viewed alongside schools like Central Catholic High School by visitors of our site.
What is the acceptance rate of St. Mary 's Academy?
The acceptance rate of St. Mary 's Academy is 100%, which is higher than the national average of 83%.
Who are famous alumni from St. Mary 's Academy?
St. Mary 's Academy famous alumni include: Katy Peaslee, Attorney, Class of 2006.
What sports does St. Mary 's Academy offer?
St. Mary 's Academy offers 15 interscholastic sports: Alpine Skiing, Basketball, Cross Country, Dance, Flag Football, Football, Golf, Lacrosse, Nordic Skiing, Snowboarding, Soccer, Swimming, Tennis, Track and Field and Volleyball. St. Mary 's Academy is ranked as one of the top 20% of private schools in Oregon for most sports offered.
What is St. Mary 's Academy's ranking?
St. Mary 's Academy ranks among the top 20% of private schools in Oregon for: Most sports offered, Most extracurriculars offered, Oldest founding date and Largest endowments.
When is the application deadline for St. Mary 's Academy?
The application deadline for St. Mary 's Academy is Jan. 9 / rolling (applications are due on Jan. 9 but additional applications are reviewed year-round as space permits ).
In what neighborhood is St. Mary 's Academy located?
St. Mary 's Academy is located in the Southwest Portland neighborhood of Portland, OR. There are 25 other private schools located in Southwest Portland.

School Reviews

Endorse St. Mary 's Academy. Endorsements should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
  • Availability of music, art, sports and other extracurricular activities
  • Academic or athletic awards
Endorse this school:

Recent Articles

Transferring from Public to Private School Mid-Year: What to Expect
Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.
A Guide to Day vs. Boarding School: Which Is Right for Your Family
A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.
The A to Z of Private Schools 2025
The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.

Quick Facts (2025-26)

  • Top Ranked OR School
  • Grades: 9-12
  • Yearly Tuition: $20,150
  • Acceptance rate: 100%
  • Average class size: 20 students
  • Application Deadline: Jan. 9 / rolling
  • Source: Verified school update

Request Information

Did You Know?

The average private school tuition in Portland, OR is $13,247 for elementary schools and $16,825 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Portland, OR is 78% (read more about average acceptance rates across the country).

Quick Links