The board of school directors of each school district shall purchase all necessary furniture, equipment, textbooks, school supplies, and other appliances for the use of the public schools, or any department thereof, in their respective districts, and furnish the same free of cost for use in the schools of the district, subject to such rules and regulations regarding the use and safe-keeping thereof as the board of school directors may adopt. All furniture, equipment, books, school supplies, and other appliances purchased by the board of school directors of any school district, for the use of the public schools therein, shall be purchased in the manner provided in this act.
24 P.S. § 8-801