While the campus is located within the proper city limits of Vancouver, it has a Camas area zip code.

In 2008, the undefeated Titans lost to Bellevue High School in the 3A state championship game.

In 2011, Titan wrestling took the team title at the prestigious Pacific Coast Championships, and in 2012 and 2014 they won state trophies, placing 4th and 3rd respectively.

The Union High School Campus has five different site-built buildings which house the four different academic academies and the Student Commons, and a large modular unit.

Each building excluding the Student Union contains the basic core classes including math, general science, and English.

Every classroom throughout all the buildings has a common set of technology resources installed, including a video projector, a document camera, and speech amplification system for teachers.

[3] Union High School also features wireless hot spots which cover the entire campus.

[3] The Union High School Band Program is directed by Adam Morrell and Timothy Siess.

Students in the program are active in honors ensembles such as the Portland Youth Philharmonic, All-State and All-Northwest ensembles/orchestras.

They performed "Viva Tutti," a traditional English glee, "Weep No More" by David Childs, and "Dubinushka (Russian Hammer Song)" by Vijay Singh.

Their picture was featured on the front cover of the State Solo & Ensemble Booklet because of their unique story.

The set they sang to standing ovations both nights included Vijay Singh's "Surrexit Pastor Bonus", Stanford E. Scriven's "Christ the Appletree", J. Michael Saunders' "La Otra", Ethan Sperry's "Albela Sajan", an Indian raga, and John Muehleisen's set of "Aversion to Carrots" and "RAH!"