Byron Nelson High School is a public high school located in Trophy Club, Texas about 20 miles (32 km) north of Fort Worth, Texas, in Denton County and opened in August 2009 for the 09–10 school year. It is the second high school in the Northwest Independent School District. The school cost $86.5 million dollars to build. It is approximately 504,000 square feet (46,800 m2), with a 32,000-square-foot (3,000 m2) courtyard in the middle. The academic wing seats a 700-seat cafeteria with a mall-style food court serving layout. It is built along the property of the Army Corps of Engineers, along the edge of where Denton Creek flows into Lake Grapevine at the lake's southwestern corner. In 2013, the school was rated "Met Standard" by the Texas Education Agency. In 2019, Byron Nelson High School earned an "A" according to TEA's school accountability rating system.Byron Nelson, which competes as a UIL class 6A school, has been a 4-year campus since the 2011–2012 academic year. The campus features environmentally-conscious design elements such as low-energy light fixtures, a landscape designed to conserve water, and the incorporation of recycled building materials sourced from local suppliers. Students have access to a variety of restaurants, including Grille Works, Asian/Italian Restaurant, and a Mexican Restaurant. The school housed a coffeeshop called Java City until its closing for the 2020-21 school year.