California's 1980 proficiency law, which is the topic of this report, mandated that each school district was to adopt or construct tests and establish standards for assessing proficiency in reading, writing, and computation on tasks that were necessary to success in school and in life. In order to graduate from high school, a student must have…

This report describes the development, operation, maintenance, and future prospects of the item banks pioneered by the Portland (Oregon) School District. At the time of this report, there were 3,500 mathematics, 2,200 reading, and 2,300 language usage items calibrated under the fixed parameter model of item response theory (IRT) for Grades 3-8.…