This "Professional Growth & Support Spending Calculator" helps school systems quantify all current spending aimed at improving teaching effectiveness. Part I provides worksheets to analyze total investment. Part II provides a system for evaluating investments based on purpose, target group, and delivery. In this Spending Calculator tool, Education Resource Strategies (ERS) expands the more traditional definition of professional development to professional growth and support in order to include any use of people, time, and money that targets improvement of teaching, collaborative planning, salary increases for education credits, and funds that support curriculum development, teacher evaluation, and student assessment.