Mark Barnes is an internationally-recognized speaker and education writer. He is the author of Role Reversal: Achieving Uncommonly Excellent Results in the Student-Centered Classroom, The 5-Minute Teacher: How do I Maximize Time for Learning in My Classroom, and Teaching the iStudent: A Quick Guide to Using Mobile Devices and Social Media in the K-12 Classroom. Barnes presents seminars worldwide and is committed to changing the way we think about teaching and learning.

Connect with Barnes on Twitter @MarkBarnes19 or on his website at www.markbarnes19.com

In his talk, Mark Barnes discusses why we must move away from a traditional grading system and instead embrace a four step model to assess student success.