(a)  The commissioner shall oversee the provision of training and technical support to all districts and campuses in respect to planning and site-based decision-making through one or more sources, including regional education service centers, for school board trustees, superintendents, principals, teachers, parents, and other members of school committees. (b)  The agency shall conduct an annual statewide survey of the types of district- and campus-level decision-making and planning structures that exist, the extent of involvement of various stakeholders in district- and campus-level planning and decision-making, and the perceptions of those persons of the quality and effectiveness of decisions related to their impact on student performance.