[2] The 2003-2004 Waller High School Computer Science Team won the UIL 4A State Championship.

The 2020-2021 Waller High School Social Studies Team won the UIL 5A State Championship.

The 2021-2022 Waller High School Current Events Team won the UIL 5A State Championship.

The 2007 Bulldog football team went 4 rounds deep in the playoffs, losing to Dayton in the regional final.

On March 20, 2012, former student Trey Eric Sesler shot and killed his mother, father and brother.