Mark Sass
Teacher Leader


  • Advanced placement
  • Common Core
  • Common Core assessments
  • Grading
  • Leadership
  • No Child Left Behind
  • Politics
  • Professional development
  • School climate and safety
  • School funding
  • Social studies
  • Standardized tests
  • Teacher certification programs
  • Teachers unions
  • Writing

Mark Sass has been a high school teacher for 19 years in the Adams 12 School District, located in a northern suburb of Denver, with over 40,000 students. He teaches social studies part time at Legacy High School and works part time in the district’s professional development department. Sass was a 2014 National Teacher Fellow for the Hope Street Group and a 2013 Pahara Aspen Institute Teacher Leader Fellow. He is actively involved in state education policy, including teacher licensure and evaluation. Currently, he is part of the nationwide effort to identify and promote teacher leaders and teacher-led professional development. He is a 2015-16 U.S. Department of Education Classroom Teacher Ambassador Fellow and a member of the Center on Great Teachers and Leaders Practitioner Advisory Group, part of the Washington, D.C.-based American Institute for Research. Sass lives in Denver with his wife and two children, who attend Denver Public Schools.