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.…

In this study, special education teachers identified students with learning disabilities who were working on math skills usually taught two grades below the grade in which the student was enrolled. Each student (n=33) took two levels of the MAT/7 math computation test, an on-grade test, and an out-of-level test intended for students two grades…