Chapter PI 8.01(2)(f) Wisconsin Administrative Code. Hours of instruction. Each school district board shall annually schedule and hold at least 437 hours of direct pupil instruction in kindergarten, at least 1,050 hours of direct pupil instruction in grades 1 through 6, and at least 1,137 hours of direct pupil instruction in grades 7 through 12. The school hours are computed as the period from the start to the close of the school's daily instructional schedule. Scheduled hours under this subdivision include recess and time for pupils to transfer between classes but do not include the lunch period. No more than 30 minutes per day may be counted for recess. Scheduled hours may also include the hours of instructional programming offered through innovative instructional designs that apply to the entire school or grade level. In computing the minimum number of instructional hours under this subdivision, schools may not count days and parts of days on which parent and teacher conferences are held, staff development or inservice programs are held, schools are closed for inclement weather and no compensatory instruction is offered virtually, and when no direct instruction is provided.