- Credit Hour =average of 160 sessions
- Minimum amount of instructional time per school year Kindergarten=600; grades 1-3=840; grades 4-8=900; grades 9-12=1,080
- Minimum number of hours per school day Kindergarten=3.0; grades 1-3=3.8; grades 4-12=4.0 9 excluding lunch time and recess)
- States education departments give options to meet either minimum hours per school year or days per school year.
- For all grades, hours only apply if board submits an acceptable plan under which students will receive the educational equivalent of 170 to180 days.
- Students in grades 9-12 must enroll in at least 4 subjects, in addition to the hour requirement.
- School may include in-service professional development days, staff development, parent-teacher conferences, planning, or similar activities.
- 185-day calendar that includes 170 instructional days, plus 4 days for professional development
- Early dismissal of seniors allowed up to 10 instructional days
- Students in grade 12 may have their year reduced to 170 days
- Minimum length of a day is 3 hours, but the average over a 2-week period must be at least 5 hours.
- Schools must be open for pupil attendance for at least 3 hours.
- Thirty-three hours of the full-day kindergarten program and twenty-two hours of grades 1-6 may be used for home visits by the teacher or for parent-teacher conferences. Twelve hours of grades 7-12 may be used to consult with parents or for parent-teacher conferences.
- School boards may release graduating seniors prior to the end of the school year.
SOURCE: Education Commission of the States, 50 State Comparison: Instructional Time Policies, retrieved June 6, 2018