Boss, S. (2018, March 14). 3 Ways to Unlock the Wisdom of Colleagues. Retrieved March 16, 2018

Encouraging teachers to learn together is hardly a new idea. More than three decades ago, researchers identified teacher collaboration—including time for colleagues to discuss classroom challenges, design learning materials together, and critique each other’s practice—as a cornerstone of school success. It’s also listed as a key feature of what makes for effective professional development in a 2017 research review from the Learning Policy Institute by Professor Linda Darling-Hammond and her colleagues.