(1) If the union high school board determines that a majority of votes cast in the union high school district at an election under ORS § 335.495 are for the proposal to lengthen the course of study, it shall:

(a) Declare the proposal carried and certify the result to the district boundary board; and

(b) Submit to the Department of Education the complete course of study in the district.

(2) The lengthened course of study shall become effective the July 1 next following approval of the course by the State Board of Education. [Amended by 1957 c.310 § 25; 1965 c.100 § 218; 1967 c.103 § 1; 1983 c.350 § 191; 1989 c.491 § 22; 1993 c.329 § 7]