Despite decades of experience supporting efforts from local to state levels to improve learning for underserved students, Sonia Caus Gleason and WestEd's Nancy Gerzon could not point to examples of entire schools accomplishing what they believed was possible: high-poverty public schools personalizing learning for all students to consistently reach…

The professional teaching and learning cycle (PTLC) is a professional development process in which teachers collaboratively plan and implement lessons aligned to their state standards. This process is an important part of the Working Systemically approach, designed by SEDL to improve a school system's capacity to increase student achievement.…