Pennsylvania is undergoing a major effort to improve science teaching and learning across the Commonwealth through the introduction of the Science, Technology & Engineering, Environmental Literacy & Sustainability (STEELS) standards.   To support this work, in 2021 NextGenScience at WestEd launched the Pennsylvania Science Education Leaders Network (PennSEL Network), a leadership development program in collaboration with Pennsylvania Department of Education, to prepare teams of Pennsylvania science leaders to improve science teaching and learning for all students as reflected in the new STEELS standards. The PennSEL Network includes representation from all 29 of Pennsylvania’s regional education offices, or Intermediate Units (IUs).  NextGenScience [...]