“Too often it is assumed that observation leads to improvements in student learning.  Valid and   reliable evaluation can  ‘measure’ what teachers do, but the emphasis too often is on accountability not improvement.  Building on trust, Frontier  and Mielke address this imbalance.  By providing the processes and protocols that empower educators to effectively reflect on their  professional practice, teachers can actually improve their teaching. Here’s how to optimize the impact on  student learning.”