§ 809-a. Instruction in the safe use of firearms and in the game laws. The officer, board, or commission authorized or required to prescribe courses of instructions in any school under state control, may authorize instructions to be given in the safe and proper use of firearms allowed by law to be used in the taking of wild game, and may also authorize instructions to be given in the study of game laws and of proper hunting and conservation practices. Such courses of instruction shall be approved by both the education department and the department of environmental conservation.