When New York State's standardized tests for third graders were scheduled to include questions on probability and statistics, the White Plains school system developed a model to improve mathematics instruction. A staff developer, a teacher with special training who works with other teachers, is vital to the implementation of the math curriculum.…

This article describes a training program that was developed to prepare teachers who were to work with students using a computer-based writing program called QUILL. Training methods, winning administrative support, and follow-up activities are discussed. (PP)

Argues that staff developers can have a significant role in structuring programs for cultural diversity in the schools, and explains how the Cambridge (Massachusetts) school district's commitment to multicultural education led to changes in the curriculum and in the roles of the staff developers over several years. (GLR)

Methods staff developers used to improve the reading program at a Greenwich, Connecticut, elementary school are discussed. The entire staff of the school was involved in developing the new reading program, which focused on increasing teachers' expectations of student learning, use of diagnostic teaching, and other techniques. (PP)