This white paper describes a way to improve school accountability metrics by reducing measurement error, which can obscure school performance, especially in small schools or subgroups. This approach, called Bayesian hierarchical modeling, can help states target the schools and subgroups that most need additional support.This white paper describes a way to improve school accountability metrics by reducing measurement error, which can obscure school performance, especially in small schools or subgroups. This approach, called Bayesian hierarchical modeling, can help states target the schools and subgroups that most need additional support. Read More
