In recent years, the issue of early childhood staff professionalisation has been taking an increasingly prominent position in policy-making and academic debates at the international level. Despite this growing interest, studies investigating the content and delivery of professional preparation programmes for early childhood practitioners are still…

This master data collection protocol describes the data that Mathematica collected for the Race to the Top-Early Learning Challenge Study of Tiered Quality Rating and Improvement Systems. This study was conducted for the Department of Education's Institute of Education Sciences. The data were collected from reviews of applications, documents, and…