Mayor Muriel Bowser’s 11th Annual Senior Symposium + Add to Google Calendar + iCal / Outlook export Date Jun 28 2022 Expired! Time 9:00 am - 11:00 am Location Ballou High School Ballou High School, 3401 4th St SE, Washington, DC 20032, USA Share this event SearchSearchRecent PostsRecent CommentsNo comments to show.