Each local school system shall ensure that all students enrolled in kindergarten, first grade, second grade, and third grade are screened to identify if the student is at risk for reading difficulties and provided supplemental reading instruction aligned to the results of the screening instrument. The local school system shall screen the students identified in §A of this regulation three times each school year including once in the fall, winter, and spring. The local school system shall establish the screening schedule and require the first screening identified in §B of this regulation to occur within the first 60 calendar days of the beginning of the school year.