20-9-802. Definitions. As used in this part, unless the context clearly indicates otherwise, the following definitions apply:
(1) "Declaration of emergency" means a declaration by a board of trustees that an unforeseen emergency has occurred in the district.
(2) "Reasonable effort" means the rescheduling or extension of the school district's instructional calendar in an effort to attain the minimum aggregate hours required by law by:
(a) extending the school year 12 hours for 1st through 3rd grades and 18 hours for 4th through 12th grades or the equivalent aggregate hours of pupil instruction beyond the last scheduled day; or
(b) the use of scheduled vacation days.
(3) "School day" means the school day set by the trustees as provided in 20-1-302.
(4) "Unforeseen emergency" means a fire, flood, explosion, storm, earthquake, riot, insurrection, community disaster, or act of God or a combination of the foregoing that acts as a principal cause for a school district's inability to conduct 1 or more scheduled school days.