The academic wing seats a 700-seat cafeteria with a mall-style food court serving layout.

[6] Byron Nelson, competing as a UIL Class 6A school, has operated as a 4-year campus since the academic year 2011–2012.

The campus includes sustainable design features such as energy-efficient light fixtures, water-conserving landscaping, and the use of recycled building materials sourced locally.

The Byron Nelson Bobcats compete in a variety of individual and team sports.

[8] On campus training facilities for athletes include three gymnasiums in the main building, outdoor tennis courts, an indoor partial football field (60 yards long) with artificial surface, two outdoor football fields with artificial surfaces, a baseball stadium with adjacent bullpens, a softball stadium with adjacent bullpens, a concession stand with restrooms, and a field house with locker rooms, meeting rooms, and training rooms (sports rehabilitation), and weight rooms.

Athletic teams also train and compete at district-owned facilities such as the aquatic center and Northwest ISD stadium.

The symphony orchestra was formed in 2012 and has received UIL Sweepstakes Awards for the past eight years.

[36][37] Byron Nelson has made national news in 2010 when school administrators decided to suspend a 16-year-old student.

Police requested that students leave their backpacks in the building and cars in the parking lot to be searched.