Out of about 2500 people given the test 164 identified themselves as an elected official in local, state or federal governments. As a group, those 164 did even worse than the public at large.
Article: Elected officials flunk U.S. Constitution quiz
Quiz: Civic Literacy Report - Civics Quiz
Article: Elected officials flunk U.S. Constitution quiz
Quiz: Civic Literacy Report - Civics Quiz