(a) All laws in effect upon the adoption of this revision, to the extent not inconsistent with it, shall remain in force until they expire by their terms or are repealed.

  (b) All statutes which, under the Constitution of 1885, as amended, apply to the state superintendent of public instruction and those which apply to the county superintendent of public instruction shall under this revision apply, respectively, to the state commissioner of education and the district superintendent of schools.