An approach to research that was conceptualized with the idea of replicating one study in dozens of locations simultaneously is described, focusing on two research projects with simultaneous replication. In 1988 researchers in 85 locations collected data in 276 schools as part of the Phi Delta Kappa Study of Schools At Risk. In 1982, data were…

As part of an effort to reduce high school dropout rates in large city school districts, Phi Delta Kappa, the National Association of Secondary School Principals, the Council of Great City Schools, and a group of large city school districts undertook an effort to determine baseline statistics in high schools in large cities by using standardized…