From Zero Sum to Positive Sum
Oct 2022

From Zero Sum to Positive Sum

By Christian Talbot, President of MSA-CESS

As I read Michael Horn’s take on mastery-based learning in his new book, From Reopen to Reinvent, I couldn’t help but recall one of the biggest risks I took as an educator.

During my time as Head of School at Malvern Prep (a Middle States school), we initiated a schoolwide transformation from a teacher-centered to a student-centered approach. From the beginning our Middle School Head (now Malvern’s Head of School) rallied his division, but the upper school needed a spark.

So I decided to teach a Social Entrepreneurship class that would be 100% team-based and 100% project-based.


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