CULLOWHEE (August 11, 2015)—One-third of the teachers in the United States leave the profession after three years and nearly half leave by the fifth year. To quell this loss of talent in North Carolina, the North Carolina Center for the Advancement of Teaching has created a digital library containing videos and other materials to aid teachers—novice and veteran—in mastering the most common sources of frustration and confusion: Behavior Management, Brain Compatible Teaching, Differentiated Instruction, Assessment, and Taking Care of Yourself.