It's been nearly 25 years since the first MCAS tests were taken. Since then, the test and the state's accountability system have brought resources to underfunded schools, highlighted inequities in our education system, and pushed Massachusetts to first in the nation in academics. But, with progress stalling, a new understanding of the importance…

Formative assessments--assessments that measure what students do and do not know, so that teachers can modify their instruction accordingly--have been widely hailed as a potential vehicle for improving student achievement. Yet little solid research evidence exists about their effectiveness, especially in reform-rich school districts. This study…