school@stmaryum.org | 301-627-4170

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      • Pre-Kindergarten Curriculum
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    • School Uniforms
    • TADS Tuition Management
    • Volunteer Hours
    • 8th Grade Information
  • Contact
  • Alumni
  • Saint Shop
  • English
    • Español (Spanish)
  • About Us
    • About
    • History
    • Staff
  • Open House
  • Admissions
    • Admissions Information
    • Admissions Process
    • Prospective Students
    • Tuition, Fees and Financial Aid
    • FAQs
    • Schedule a Tour
  • Academics
    • Accreditation
    • Curriculum
      • Pre-Kindergarten Curriculum
      • Kindergarten Curriculum
      • Grade 1 Curriculum
      • Grade 2 Curriculum
      • Grade 3 Curriculum
      • Grade 4 Curriculum
      • Grade 5 Curriculum
      • Grade 6 Curriculum
      • Grade 7 Curriculum
      • Grade 8 Curriculum
    • Standardized Testing Data
  • Parents Page
    • Monday Morning Memo
    • Calendar
    • Child Protection Policy
    • Community Resources
    • Event Request
    • Fundraising & Scrip Gift Cards
    • Gala
    • Home & School Association
    • Plus Portals
    • Programs
      • Catholic Youth Organization (CYO)
      • Extended Care Program
      • Extra Curricular Activities
      • National Junior Honor Society
      • Summer Camp
    • Sacraments
    • Saint Shop
    • School Advisory Board (SAB)
    • School Handbook
    • School Uniforms
    • TADS Tuition Management
    • Volunteer Hours
    • 8th Grade Information
  • Contact
  • Alumni
  • Saint Shop
  • English
    • Español (Spanish)
Monday Morning Memo

Monday Morning Memo

School Calendar

School Calendar

Plus Portals

Plus Portals

TADS

TADS

Saint Shop

Saint Shop

Fundraising & Scrip Gift Cards

Fundraising & Scrip Gift Cards

Volunteer Hours

Volunteer Hours

Child Protection Policy

Child Protection Policy

Home & School Association (HSA)

Home & School Association (HSA)

School Uniforms

School Uniforms

Eighth Grade Information

Eighth Grade Information

Event Request Form

Event Request Form

School Advisory Board (SAB)

School Advisory Board (SAB)

Sacraments

Sacraments

School Handbook

School Handbook

Programs

Catholic Youth Organization (CYO)

Catholic Youth Organization (CYO)

Extend Care Program

Extend Care Program

Extra Curricular Activities

Extra Curricular Activities

National Junior Honor Society

National Junior Honor Society

Summer Camp

Summer Camp

CONTACT INFORMATION

4610 Largo Road
Upper Marlboro, MD 20772
school@stmaryum.org

Office (301) 627-4170
Extended Care (301) 627-6798
Fax (301) 627-6383

HOURS OF OPERATION

Office | 7:30AM – 4PM
School Hours | 8AM – 3PM
Morning Care | 6:30AM – 7:45AM
Aftercare | 3PM – 6PM

SUMMER HOURS

Tues. &  Thurs. | 10AM – 2PM

SCHOOL UNIFORMS

Flynn O'Hara Uniforms

SOCIAL

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