State and federal accountability policies are predicated on the ability to estimate valid and reliable measures of school impacts on student learning. The typical spring-to-spring testing window potentially conflates the amount of learning that occurs during the school year with learning that occurs during the summer. We use a unique dataset to…

The number of students opting out of standardized tests has grown in recent years. This phenomenon poses a potential threat to our ability to accurately measure student achievement in schools and districts. This brief documents the extent to which opting out is observed in the CORE districts and models how higher opt-out levels could affect…

As required in 105 ILCS 5/2-3.47a, the Illinois State Board of Education shall develop and maintain a continuing comprehensive strategic plan for elementary and secondary education. The 2020-2023 Strategic Plan consists of goals for equity, student learning, learning conditions, and elevating educators. The Strategic Plan leverages the wide range…

Since 1992, the UK Government has published so-called "school league tables" summarising the average General Certificate of Secondary Education (GCSE) "attainment" and "progress" made by pupils in each state-funded secondary school in England. While the headline measure of school attainment has remained the percentage…

Multiple factors influence teachers' grading and scoring of students' class work, homework, projects and tests. Put simply, bias in grading is giving different grades on student work of essentially equal quality, based on factors irrelevant to the scope and criteria for that work. Grading is to a degree subjective, but it need not be biased.…

When using time series accountability data to evaluate system-wide education policies, concurrent changes often pose threats to internal validity. The standard difference-in-differences (DID) method resorts to a non-equivalent comparison group whose average outcome change is due to such confounding. This strategy relies on the strong assumption…

The Academic Performance Index (API) is the centerpiece of California's state assessment and accountability system. With the recent passage of SB1458 and the pending reauthorization of both state and federal accountability legislation, there is now an unprecedented opportunity to improve the API for next generation accountability in California. In…

No Child Left Behind (NCLB) performance mandates, embedded within state accountability systems, focus school AYP (adequate yearly progress) compliance squarely on the percentage of students at or above proficient. The singular importance of this quantity for decision-making purposes has initiated extensive research into percent proficient as a…

In Kentucky, high stakes assessment of schools and school districts resulting from the state's educational reform initiative raises the issue of fairness. Should educational officials and teachers be held accountable for student performance despite vast differences in the socioeconomic conditions of the surrounding communities when extensive…