For instructional purposes, the schools of the Parish shall be organized on an elementary and secondary basis. At elementary levels, the grades housed in the various school buildings shall be determined on the basis of the best instructional organization for students possible, in keeping with a unitary School System. The Board shall approve all changes in instructional organization as it pertains to grade levels accommodated in various school buildings before such changes take effect.

Ref: LA-R.S. 17:151-151.1.