Having observed and coached in hundreds of K-12 classrooms since 1994, Ron Nash has come to a few conclusions about what makes teachers tick and classrooms click.The best teachers attend to those seemingly little things that cost nothing, even as they create classroom climates where students can’t wait to walk through the door every day.The big little things that great teachers do have students up, moving, pairing, sharing, laughing, and learning in an atmosphere full of trust, respect, and high expectations.Great teachers are obsessed with continuous improvement.This second edition of Big Little Things highlights 50 tools for building better classrooms at all levels.