On this week’s Education Gadfly Show podcast, Othiniel Mahone, the principal at GEO Academies 21st Century School in Gary, Indiana, joins Mike and David to discuss effective strategies for implementing and enforcing an “away for the day” school cellphone policy. Then, on the Research Minute, Adam reports on a study about the impact of middle school principals on various long-term outcomes for students.Recommended content: “How to implement a cellphone ban in schools” —Amber M. Northern, ...