Its campus is situated on extensive grounds at Centennial Avenue on the former Carr-Horden estate and is surrounded by remnant bushland.

Chatswood is especially known for its work in the extracurricular field with achievements in the performing arts, NSW Law Society's Mock Trial Competition and with an array of leadership opportunities in the SRC and Prefect Body.

[4] Chatswood High School's Concert Band 1 travelled to Europe in 2004 to the Vienna International Youth and Music Festival, attaining 2nd place.

Students have achieved particular successes in multimedia and digital media, with HSC practical works featured as state exemplars every year.

Chatswood sport runs within the North Shore region that encompasses Turramurra, Killara, Pennant Hills, Cherrybrook Technology, St Ives, Carlingford and Galston High School.

Within this area and in regional and state competitions, Chatswood has experienced dominant successes in European Handball, Baseball, Ultimate Frisbee and Football among the Kuringai zone.

As of July 2022, The NSW Department of Planning, Industry & Environment has begun construction of the new buildings, with R block (near the front of the school, facing Centennial Avenue) having been completed earlier in 2022.