Addicks, Houston Independent School District. The following schools serve Addicks: Addicks was, at one time, served by the Addicks Independent School District. The last graduating class of Addicks High School was in 1948. By the mid 1950s, there were only 6 grades in Addicks Elementary School. Seventh through twelfth grades were bussed to schools in Katy. Portions of Addicks ISD later consolidated into Katy ISD in 1961. The school board at the time could have guided Addicks ISD to consolidate into Spring Branch ISD, but they chose to merge with Katy because it (Katy ISD) was still a rural district. . The
Addicks Reservoir Center in Houston to discuss these plans and gather feedback. Construction is scheduled to begin May 2015 with an estimated completion date of 2019. The northern and western ends of the dam consist of roller compacted concrete spillways. The existing ground at either end of Addicks Dam is lower than the top of dam elevation. Existing ground at the north end of Addicks Dam is at elevation 108 feet and ties into the concrete spillway crest at 112.5 feet. The existing ground at the western end is at elevation of 111.0 feet and ties into the concrete spillway which has