Charged by the Church to teach the faith, St. Mary's cultivates your interests in this dynamic Catholic learning community.
Encouragement and support set the tone for advancement. With a commitment to search for the truth and to learn more about relationship with God, St. Mary's prepares each student to meet the challenges facing a young person growing up in today's world.
At the same time, St. Mary's presents the opportunity to understand the differences between being a person of the culture and a person counter to the culture when those differences demand definition and personal response.
Committed to the development of the mind and to intellectual inquiry, the St. Mary's Family enjoys an outstanding reputation for excellence in teaching and learning.
Saint Mary's High School Seniors overlooking the Garden at Saint Mary's Parish.
Quick Stats (2025)
- Top Ranked MD School
- Grades: 9-12
- Enrollment: 476 students
- Yearly Tuition: $16,072
- Acceptance rate: 100%
- Average class size: 24 students
- Application Deadline: Dec. 16 / Jun. 1 / rolling
- Source: Verified school update
Top Rankings
St. Marys High School ranks among the top 20% of private schools in Maryland for:
Category
Attribute
Student Body
Sports offered
Extracurriculars
School History
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
1946
Colors
White, Blue, Royal blue
School Calendar
First Day of School
Fri. Aug 15, 2025
Awards
Blue Ribbon School - Selected in 2013
Student Body
Total Students
476 students
Student Body Type
Co-ed
% Students of Color
11%
State avg.: 37%
Students by Grade
Academics and Faculty
Total Classroom Teachers
34 teachers
Student : Teacher Ratio
14:1
National avg.: 13:1
Average Class Size
24 students
Number of AP Courses
16 courses
List of Courses Offered
Advanced Courses
BiologyCalculus AB
Calculus BCChemistry
Computer Science PrinciplesEnglish Language
English LiteratureEnvironmental Science
Human GeographyPhysics
PsychologySpanish Language and Culture
StatisticsStudio Art
United States GovernmentUnited States History
Classroom Dress Code
Formal
summer/winter uniforms
Tuition and Acceptance Rate
Admission Deadline
Dec. 16 / Jun. 1 / rolling
Yearly Tuition Cost
$16,072
Tuition Notes
Catholic: $16,072
Non-Catholic: $17,996
Acceptance Rate
100%
National avg.: 81%
Admissions Director
Jennifer Holland
Sports
Total Sports Offered
17 sports
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
22 extracurriculars
ExtracurricularsExtra-curric.
Art ClubCampus Ministry
Chess ClubClassics
Crabnet NewspaperDrama Club
Environmental ClubFellowship of Christian Athletes
Foreign LanguageInternational Thespian Society
Jazz EnsembleJunior Civitan
Mastermind ClubMock Trial
Model United NationsMusic Club
PhotographyReal World
Rod and Reel ClubSaints After Dark
Student GovernmentYearbook
School Notes
- It's the energy and enthusiasm in the classroom. It's the teachers who participate in your drama production or come to an athletic event to cheer you on. It's the laughter in the hallways and the friends all around you. The family spirit at St. Mary's will capture you instantly. Once you talk with our students and faculty and experience a day as a student, you will understand why our students and alumni care so much about their St. Mary's experience and why we have generations of alumni who enroll their own children at St. Mary's. St. Mary's is a place where doors are open to a bright future and a spirit of achievement prevails. We are a close-knit community that nourishes independence and excellence. At every turn, you will find faculty and administrators willing to guide and help you. Each day, you will gain new friends and collect new memories. And when you go on to the college of your choice, your most enthusiastic supporters will be your fellow saints, past and present. It's knowing that you're not just one number in the crowd... YOU ARE A MEMBER OF A COMMUNITY, A FAMILY OF SAINTS!
Source: Verified school update
Frequently Asked Questions
How much does St. Marys High School cost?
St. Marys High School's tuition is approximately $16,072 for private students.
What is the acceptance rate of St. Marys High School?
The acceptance rate of St. Marys High School is 100%, which is higher than the national average of 78%.
What sports does St. Marys High School offer?
St. Marys High School offers 17 interscholastic sports: Baseball, Basketball, Cross Country, Dance, Field Hockey, Football, Golf, Ice Hockey, Lacrosse, Sailing, Soccer, Swimming, Tennis, Track and Field, Volleyball, Winter Track and Wrestling. St. Marys High School is ranked as one of the top 20% of private schools in Maryland for most sports offered.
What is St. Marys High School's ranking?
St. Marys High School ranks among the top 20% of private schools in Maryland for: Largest student body, Most sports offered, Most extracurriculars offered and Oldest founding date.
When is the application deadline for St. Marys High School?
The application deadline for St. Marys High School is Dec. 16 / Jun. 1 / rolling (applications are due on Dec. 16 / Jun. 1 but additional applications are reviewed year-round as space permits ).
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People that viewed St. Marys High School also viewed these schools: Archbishop Spalding High School, Key School, Severn School, Annapolis Area Christian School and St. Vincent Pallotti High School.
The nearest high school to St. Marys High School is Chesterton Academy of Annapolis (1.4 miles away)
The nearest elementary school and preschool is St. Mary Elementary School (0.0 miles away)
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Location
Miles
Grades
Students
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Severn, MD 21144
(410) 969-9105
Severn, MD 21144
(410) 969-9105
13.3
9-12
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Grades: NS-12 | 650 students 3.1 miles 534 Hillsmere Drive
Annapolis, MD 21403
(410) 263-9231
Annapolis, MD 21403
(410) 263-9231
3.1
NS-12
650
Grades: NS-12 | 911 students 7.2 miles 201 Water St
Severna Park, MD 21146
(410) 647-7700
Severna Park, MD 21146
(410) 647-7700
7.2
NS-12
911
Grades: K-12 | 846 students 13.7 miles 109 Burns Crossing Road
Severn, MD 21144
(410) 519-5300
Severn, MD 21144
(410) 519-5300
13.7
K-12
846
Grades: 9-12 | 410 students 21.8 miles 113 St Mary's Place
Laurel, MD 20707
(301) 725-3228
Laurel, MD 20707
(301) 725-3228
21.8
9-12
410
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