A cooperative statewide effort to evaluate individual Arts-in-Education projects and their cumulative impact upon Pennsylvania education is described. Eight Title IV Arts-in-Education projects in the Commonwealth of Pennsylvania are participating in the three year project. A coordinating center maintains communication, organizes data, and ensures procedural control. The integrity of individual projects is maintained and analyses across projects made possible. Results indicate that funding and administrative problems associated with single large-scale projects can be avoided and evaluation efforts can be standardized. Planning and the use of common purposes and common results can encourage comparability of findings from different projects. (Author)