Colorado constitution
Article IX
Section 6

The provisions of section 8 of article XIV of this constitution to the contrary notwithstanding, the office of county superintendent of schools may be abolished by any county if the question of the abolishment of said office is first submitted, at a general election, to a vote of the qualified electors of said county and approved by a majority of the votes cast thereon. In any county so voting in favor of such abolishment, the office of county superintendent of schools and the term of office of any incumbent in said county shall terminate on June 30 following.