Philadelphia's Constitution High School (CHS) is committed both to the theory of education for democracy, and to its practice, as reflected by a school constitution, student elections, town hall meetings, and active student participation in school government. As its name indicates, CHS is a theme-based high school that focuses on history, government, and civic action. The school's goal is to help students become better citizens. In this article, the author describes how students at CHS learn democracy by living it, and offers tips for other schools interested in similar initiatives. (Contains 6 notes.)