United High School is a public high school located in the northern portion of Laredo, Texas, United States, and is a part of the United Independent School District.

Communities within the United High boundary include portions of Laredo and the following census-designated places:[2][3] Feeder middle schools include Elias Herrera Middle School, George Washington Middle School, and the newly established Juan Ramirez Middle School.

United High School also houses the United Engineering & Technology Magnet, which has a robotics program.

The school was built to contain civil defense facilities.

United High School was the subject of a 1965 propaganda film issued by the Office of Civil Defense, "The Protected School".