The purpose of this study was to determine the effectiveness of the Multi-Ethnic Information Feedback System (MIFS) on the reading and arithmetic achievement of fifth grade pupils. Consisting of an objective referenced test-item and a computer feedback system MIFS enabled teachers to continually measure student performance and evaluate the effectiveness of their own instruction. It was expected that these activities would influence student achievement. The results of the data analysis indicated that the program significantly increased reading and arithmetic achievement. (Author)