Failure to Exhaust Administrative Remedies

Can parents sue a school district under state law for failing to equally and equitably fund different campuses without first exhausting administrative remedies?  Herrera v. Clint Indep. Sch. Dist., No. 08-13-00092-CV (Eighth Court of Appeals—El Paso).  LAF’s Attorney: Carole Callaghan—Carole Callaghan Law, Austin