N.M. Const. art. XII, § 10

[Educational rights of children of Spanish descent.] Children of Spanish descent in the state of New Mexico shall never be denied the right and privilege of admission and attendance in the public schools or other public educational institutions of the state, and they shall never be classed in separate schools, but shall forever enjoy perfect equality with other children in all public schools and educational institutions of the state, and the legislature shall provide penalties for the violation of this section. This section shall never be amended except upon a vote of the people of this state, in an election at which at least three-fourths of the electors voting in the whole state and at least two-thirds of those voting in each county in the state shall vote for such amendment.