• Girl Scouts for girls in grades K- 12
  • Vacation Bible School, offered each summer in partnership with seven Upper Marlboro churches
  • Bishop John T. Walker School, an Episcopal school for boys in Southeast Washington D.C., supported by Trinity parishioners’ Lenten contributions



  • Trinity is a member of the Upper Marlboro Ecumenical Group of Churches
  • Marlboro Churches Food Bank, in partnership with nine Upper Marlboro churches (Facebook)
    • If you are in need of food, please contact St. Mary of the Assumption School at 301-627-3255, Monday – Friday, 10:00 A.M. – 5:00 P.M.
  • Weekly AA meetings hosted at Trinity for 20+ years
  • Thanksgiving Ecumenical Services
  • Thanksgiving Baskets providing Thanksgiving turkey and fixings for Food Bank families
  • Gifting Tree/Holiday Breakfast providing Christmas gifts for Food Bank families
  • Upper Marlboro HOA meetings held monthly at no cost to the community=
  • African Team Ministries sponsors the sale of jewelry and crafts hand-made by African women to support East African orphans each May
  • Willing Wonder Workers Ministry are members who dedicate their time, talent, and treasure to complete minor repairs and maintenance of the Mission’s buildings and grounds.