The Center for Civic Education provides many classroom resources for approaching the We the People curriculum and multimedia.
Pulse of the Populace at Georgetown University provides a polling platform for users to weigh on current issues and see their representatives' stances.
The National Constitution Center released its Interactive Constitution for smart devices, available for free on both Apple and Android devices. Have students download the app to explore the parts of the Constitution that interest them.
The New York Times online provides a Lesson Plans section for teachers to take the day's salient topics to their classrooms.
Carolina K-12 provides professional development opportunities and many online lesson planning resources to civics teachers, in partnership with UNC Chapel Hill's Humanities and Human Values Program.