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Why St. Mary School

Here at St. Mary School, we have a steadfast commitment to fostering the spiritual and academic growth of each child. We strive to prepare the whole child for a life of faith and lifelong learning.

At A Glance

  • 1869 St. Mary Catholic School is founded
  • 1950 Current school building opens at 400 Green Street
  • 2009 U.S. Department of Education names St. Mary a National Blue Ribbon School
  • 1st In age: St. Mary is the oldest school in the Diocese of Arlington
  • 1st In enrollment: St. Mary is the largest elementary/middle school in the Diocese of Arlington
  • 90% Percentage of 8th graders who enroll in a Catholic high school
  • 53% Percentage of faculty who hold a graduate degree
  • 710 Average annual enrollment
  • 440 Average number of families with children enrolled each year
  • 26 Target class size
  • 3 classes per grade (Avg. 78 students per grade)
  • Kindergarten-2nd grade has a Teacher and Instructional Assistant in each class. Starting in 3rd grade there is an Instructional Assistant shared for each grade level.
  • Our students score above the national average on standardized assessments, with the majority of our students performing in the top 25th percentile.

Religious Events

We place a priority on our children’s spiritual development in the Catholic Faith. Religion class is taught every day at each grade level. Our parish priests visit classrooms weekly. Students attend Mass weekly and on Holy Days of Obligation. Each school day begins and ends with prayer. Other opportunities for prayer include Stations of the Cross during Lent and school-wide retreats. Students receive preparation for the sacraments of First Reconciliation, First Eucharist, and Confirmation. Students have the opportunity for Confession at school. Service projects and extracurricular activities, including Eucharistic Adoration, the Annual March for Life, and Corporal Works of Mercy, emphasize Catholic values.

  • Weekly Mass held in the gym (PreK - 8th grade)
  • First Friday Mass – The entire school walks to the church on Royal Street for Mass. Kindergarteners join in First Friday mass starting in January. PreK students only attend mass in the gym.
  • Mass on Holy Days
  • Stations of the Cross during Lent
  • Confessions – 2nd -5th grade 4x/year. 6th, 7th and 8th grades optional every Wednesday
  • First Reconciliation
  • First Communion
  • Eighth grade Confirmation retreat
  • Confirmation
  • Daily Prayer
  • All Saints Parade for grades K-2
  • May Procession
  • School-wide Holy Thursday retreat
  • Weekly priest visits
  • Children’s Sunday Mass at 9am in the gym when CCD is in session


For specific subject area curriculum information please click here.

Areas of differentiation include:

  • Differentiated Instruction: We practice differentiated instruction, particularly in language arts and math, to meet the needs of our diverse learners.
  • 21st century learning environment: We provide our students with a 21st century learning environment, which includes a state-of-the-art science lab in the middle school, SMART boards in all classrooms, classroom work stations for the Accelerated Reader Program, weekly computer classes in our well-equipped computer lab, mobile technologies such as laptops and iPads, and a web based learning management system to support school communication.
  • Encore Classes: We offer instruction at every grade level in Spanish, music, art, computer technology, library and physical education.
  • St. Mary School follows the Diocese of Arlington approved guidelines for all subject areas
  • SMART board technology available in Kindergarten – 8th grade, including Encore classes.
  • Mobile technology in the classroom includes laptops and iPads
  • State-of-the-art middle school science lab – incorporation of S.T.R.E.A.M principles
  • Empowering Writers instruction in kindergarten through eighth grade with grade level benchmarks
  • Advanced math is offered to qualified middle school students
  • Spanish classes for students in pre-K through eighth grades
  • Weekly Encore classes in library, music, art, computer, and physical education for students in kindergarten through eighth grades
  • Book-In-The-Bag Reading program for kindergarten and first grade
  • Christian Awareness and Respect Education (C. A. R. E.)
  • Curriculum based field trips

Other Offerings

  • Hot lunch, made in house, available for purchase daily
  • Full-time registered nurse
  • Our Learning Center is in place to meet the individual learning needs of our students. The center is staffed by an occupational therapist, reading specialist, and Learning Center teacher for students with special needs and/or requiring learning support
  • Full-time school counselor who is a licensed clinical social worker.


Extracurricular offerings are abundant and varied. Students participate in activities that focus on spiritual growth, intellectual development, student leadership, the arts, sports, and more.

Click here to learn more about our extracurricular offerings.

Home and School Association Events and Fundraisers

We have an active and generous parent community here at St. Mary School. Please click here to learn more about our annual fundraisers and our Families in Service Program.

Recognition and Scholarship

St. Mary School Scholarship Awards

  • Barry Ford Multicultural Scholarship
  • Colin Casey Scholarship
  • Bern E. Hynes Award

8th Grade Graduate High School Scholarship Awards

  • Robert E. Dolan Citizenship Award
  • Eleanor Nugent Scholarship
  • Julia Kenney Petrino Scholarship

Honor Society

  • Father Krempa National Junior Honor Society

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