A program to improve classroom instruction through the use of Instructional Support Teams composed of principals and teachers is described. An overview of the program is presented followed by a more detailed description. The following information is provided: (1) background of the school district; (2) history of the district's staff development efforts; (3) current offerings of the staff development program; (4) purpose of Instructional Support Teams; (5) selection and training of the teams; (6) focus for each of the three years of the program (instructional effectiveness, classroom management, and school-level planning); and (7) outcomes of the program (increased shared responsibility between administrators and teachers, reduction in the isolation of classroom teachers, and building of leadership capacity among teachers). This document was selected by the Association of California School Administrators (ACSA) Task Force on Public Confidence as descriptive of a promising practice or exemplary project worthy of highlighting for the California educational community. (DC)