United Independent School District

The "Big Three" involved in the establishment of UISD were rancher Joe B. Finley, Amparo Gutierrez, and John W. Arndt, all of whom have schools named in their honor.

The census-designated places include:[7] It also serves Larga Vista, now a part of Laredo.

[9] Students in pre-Kindergarten through 8th grades are required to follow standardized dress code provided by the district; the dress code began during the 2006-2007 school year.

The Texas Education Agency specified that the parents and/or guardians of students zoned to a school with uniforms may apply for a waiver to opt out of the uniform policy so their children do not have to wear the uniform; parents must specify "bona fide" reasons, such as religious reasons or philosophical objections.

Shortly before the 2021-2022 school year, the Board of Trustees passed a "casual dress code".