By using OER, schools can reduce their costs and improve the quality of instructional materials
By using OER, school districts can keep overall costs for instructional materials low.
By using OER, school districts can keep overall costs for instructional materials low, enabling a redirection of the largest possible share of current budgets from instructional materials purchases or leases to continuous classroom improvement and teacher professional development.

Sample financial comparison from the Open Textbooks Cost Savings Calculator.