The character traits that comprise "good character" or "strong character" vary a little bit, depending on which organization you ask. However, many groups agree on a list of good character traits that are based on the core values most organizations, religions, and cultures can agree upon. Character education programs teach from a list of character traits that are built on non-controversial core values.
Character Counts Six Pillars of Character*
List of character traits necessary to be a responsible citizen:
These are the core values the Founding Fathers looked to as they structured the US Democracy. These core values are what American society was built on. We derive many of our lists of positive character traits from this foundation of core values. (Thanks to PBS for information on these core values.)