The ECHO project is a new initiative that seeks to develop indicators that relate education and a host of community-level indicators and health outcomes, with a focus on critical public health research and frameworks, including inequality metrics commonly used in the social sciences.
Project PIs: Harlin Lee (UNC Chapel Hill) and Nathan Alexander (Howard University)
The sedaamin variable is the NCES District ID for each school. These can be searched at https://nces.ed.gov/ccd/schoolsearch/.