20-1-306. Commemorative exercises on certain days. (1) All districts shall conduct appropriate exercises during the school day on the following commemorative days:

(a) Lincoln's Birthday (February 12);

(b) Washington's Birthday (February 22);

(c) Arbor Day (last Friday in April);

(d) Flag Day (June 14);

(e) Citizenship Day (September 17);

(f) American Indian Heritage Day (fourth Friday in September);

(g) Columbus Day (October 12);

(h) Pioneer Day (November 1);

(i) other days designated by the legislature or governor as legal holidays.

(2) When these commemorative days fall on Saturday or Sunday, exercises may be conducted the preceding Friday.