Innovation can’t be tested or graded -- but it can be built up

Ed. note: We're counting down the top stories of 2015 based on popularity (i.e. website traffic) to No. 1 on Dec. 31. How to create a more interesting, innovative classroom was a theme of many of the top stories this year, perhaps as educators, finally comfortable with technology begin to branch out into ways into using it to strengthen higher-order thinking skills and create projects unthinkable five or ten years ago.