The theory behind the work of the Sizer Teachers Center is that schools involved in reform—whether existing or new schools—benefit most from professional development that is carried out by people engaged in and committed to the same type of work. We believe that our teachers, who are themselves practitioners committed to helping students be successful in school, can effectively provide partnership and facilitation to people in other schools involved in the challenging and sometimes complicated process of change.

Historically, Parker has been involved in long-term partnerships with several schools as part of the National Mentor Schools Project of the Coalition of Essential Schools. We also work with other high schools in Massachusetts and beyond who have contracted with us for other projects, small and large.