The Effective Teaching Framework (ETF) initiative was designed to provide a common language and lens for understanding the skills, strategies, and resources needed for teachers and school leaders to create an optimal learning environment for all students. ETF training consisted of six full days of training for principals, assistant principals (APs), and selected Central Services staff, as well as an abridged version (24 hours) for Instructional Resource Teachers (IRTs). Beginning and mentor teachers also received some training. Training was provided to all cohorts as planned. Generally, the training sessions were well-attended and highly-rated by the participants; in 2015-16, 92.7% agreed it helped them become more effective in their roles. The trainings were supplemented by an ETF website that provided a wide range of online resources. However, the website was underutilized, with only 26.3% of teachers indicating that they used the website to improve their teaching. In most cases, implementation of ETF was limited to individuals applying their learning to classroom observations and teacher evaluations. Based on focus group interviews with APs, barriers to school-wide ETF efforts included: a) confusion about expectations for orchestrating an ETF "rollout" at their schools, b) lack of communication and follow-up from Central Services staff, c) leadership changes, d) lack of communal training and planning time among the schools' administrative teams, and e) lack of grassroots support for the initiative at the school level. While training quality was high, building stronger buy-in before implementation, communicating clearer expectations, and implementing structures to support long-lasting roll-outs at the school level are recommended.