This document summarizes a presentation about evaluating blended learning implementations. It discusses:
1) Key research from Project Tomorrow on the state of blended learning in K-12 schools, finding it is implemented in many schools and seen to have benefits like increased personalization and engagement.
2) Challenges principals face in implementing blended learning like ensuring student access to technology and developing models of student responsibility.
3) How school administrators currently measure impact, most commonly through teacher and student feedback and achievement results.
4) Details of two efficacy studies Project Tomorrow conducted on blended learning, including factors that affect outcomes and limitations in isolating blended learning impact. Key findings showed maturity in the blended learning model and consistency in