This is only of interest to people in the DC area, but I'm not limiting it to that friends group (since someone out of the area may know someone in the area...):
"Close Up is looking for engaging Program Instructors to deliver our exciting programs in Washington, D.C. by teaching and leading diverse groups of students from schools nationwide through our structured civic-education curriculum. Program Instructors instill students with an understanding that a healthy democracy is absolutely dependent on an informed and engaged citizenry. Instructors utilize the city of Washington, D.C. as their classroom. In addition to functioning as educators, Program Instructors help manage the total experience for students, many of whom are away from home for the first time. To apply visit: www.closeup.org/why-close-up/jobs."