Section 13.053 - Territory Not in School District(a) All real property must be included within the limits of a school district. At any time it is determined that there is territory located in a county but not within the described limits of a school district, the commissioners court shall annex the territory to one or more adjoining districts.(b) The annexation order shall define by legal boundary description the territory of the new district and shall be recorded in the minutes of the commissioners court.Added by Acts 1995, 74th Leg., ch. 260, Sec. 1, eff. 5/30/1995.