The research reported here is part of a larger effort focusing on how schools in Florida are responding to a new accountability system with many of the same provisions as NCLB. It briefly describes publicly reported information on school performance in Florida since the inception of the A+ Plan, and then, using evidence gathered from case studies, the authors attempt to provide a more nuanced picture of the program's effect on schools--particularly the relationship between school accountability grades and the threat of vouchers. (Contains 15 endnotes.)