The teacher shall file with the school superintendent and the director of the department of education such reports and in such manner as may be required. [C97, §2789; C24, 27, 31, 35, 39, § 4340; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §294.5 ] 85 Acts, ch 212, §21