This document discusses the importance of developing a positive professional learning community (PLC) culture in schools. It defines a PLC as a group of educators committed to collaborative learning and improvement to benefit students. The document contrasts a "toxic" school culture, where educators believe success depends on factors outside their control, with a "healthy" culture where all students are believed to be capable of success. It emphasizes that real change requires both developing new skills and shifting mindsets ("will"), and outlines strategies for transforming a toxic culture into one focused on student success.