No ad valorem tax exemption for real or personal property, located within a redevelopment district established pursuant to Kan. Stat. Ann. § 74-8921, and amendments thereto, granted after the effective date of this act by the governing body of any city or the board of county commissioners of any county pursuant to the provisions of section 13 of article 11 of the Kansas constitution shall be deemed to exempt any such property from the ad valorem property tax levied by or on behalf of a school district.