ProjectSEED

http://projectseed.org
Mathematics Instruction and Professional Development
Nationwide Non-Profit Organization; Research-Based Program of Excellence
Founded in 1963; Five decades of research
San Francisco, Berkeley, Oakland, Los Angeles, California, Baltimore County, Maryland, Dallas, Texas, Detroit, Michigan, Indianapolis, Fort Wayne, Indiana, Ohio, Chicago, Illinois, Minnesota, New Jersey, Trenton, Camden, Philadelphia, Pennsylvania, Las Vegas, Clark County, Nevada, Sioux Falls, South Dakota