Beginning at the start of the 2008-2009 school year
Kindergarten: 1060 hours
Grades 1-11: 1060 hours
Grade 12: 1032 hours
The waiver provisions in § 1305 of this title also apply to the district calendar.
The number of hours in a school day for grades K-12 shall be at least 3 1/2 hours exclusive of lunch, and abbreviated days shall not be scheduled on the last school day prior to a scheduled holiday. In the case of an unplanned delay, or early dismissal caused by weather or other unforeseen emergency conditions, such a delay or early dismissal shall be no more than 2 hours. All district calendars shall be adopted by April 30 for the following school year and may only be amended following a 30-day public notice.
14 Del. C. § 1049