The trustee, trustees or board of education of any school district may determine to expend and raise by taxation annually such sums as may be required toward defraying the actual and necessary expenses of maintaining and continuing the New York State School Boards Association, Inc., and any of its activities in this state for the purpose of devising practical ways and means for obtaining greater economy and efficiency in the administration of school district affairs and projects.
N.Y. Educ. Law § 1618