The Greenwood School is an active community participant. Examples are:
- Collecting clothing for the Northwestern High School Teen Parent Program and Prince George's County Family Resource Center
- Hosting a Help the Homeless Mini-Walk to benefit the Montgomery County Coalition for the Homeless
- Collecting for the Coat Drive sponsored by Prince George's County Police and One Warm Coat
- Collecting items to create Thanksgiving Baskets for families in need - a project sponsored by Prince George's Child Resource Center, Inc.
- Collecting toys for the Sonny Frazier Toy Drive (see attached thank you letter)
- Collecting food for the Crossover Church food pantry
- Purchasing books for the Northwestern Childcare Center