This report was made possible by the generous
support of the Joyce Foundation. It is part of a
series of reports about “Building an Opportunity
Culture for America’s Teachers.” The author would
like to acknowledge the assistance of numerous
Public Impact colleagues in the preparation of this
report. Daniela Doyle provided extensive research
assistance. Emily Hassel, Bryan Hassel, and Julie
Kowal provided invaluable comments on an early
draft, and Dana Brinson oversaw production and
dissemination of the report. In addition, several
external reviewers provided helpful feedback and
insights, though all errors remain our own. Finally,
we would like to thank Sharon Kebschull Barrett
for careful editing, and April Leidig-Higgins for the
design of the report.