Rhee's 200-Page 'Framework' Spells Out Teaching Guidelines

A highly skilled teacher should never have more than five instances of "inappropriate or off-task behavior" by students within a half-hour of class time. At least three times in that span, an instructor should respond to students' correct answers by "probing for higher-level understanding" of the idea being discussed. And no more than three minutes of teaching time should be lost to poor organization or planning. (www.washingtonpost.com)