Texas Education Code - EDUC § 49.257. Maintenance Tax

(a) The joint board shall levy a maintenance tax for the benefit of the component school districts not later than September 1 of each year or as soon thereafter as practicable.

(b) Each component district shall bear a share of the costs of assessing and collecting taxes in proportion to the component district's share of weighted average daily attendance in the consolidated taxing district.

(c) A component district may not levy an ad valorem tax for the maintenance and operation of the schools.

(d) Notwithstanding Section 45.003, the consolidated taxing district may levy, assess, and collect a maintenance tax for the benefit of the component districts at a rate that exceeds $1.50 per $100 valuation of taxable property to the extent necessary to pay contracted obligations on the lease purchase of permanent improvements to real property entered into on or before May 12, 1993.  The proposition to impose taxes at the necessary rate must be submitted to the voters in the manner provided by Section 45.003.