[1] Delbrook was named for the area and avenue north of Westview in the city and district, east of Mosquito Creek and west of Lonsdale.

[2] Its catchment area was bounded in this manner: from the North Shore mountains directly south along Lonsdale Avenue to 29th Street, then east to St. George's Road.

[citation needed] Citing district-wide declining enrolment throughout the 1970s, the North Vancouver School Board planned to phase out Delbrook by June 1979.

[5] A University of British Columbia master's thesis studied Delbrook's sudden closing on the effects it had on grade 11 and 12 students being forced to transfer late in their high school careers.

The following is a list of musicals put on at Delbrook: The Wizard of Oz was taken from a 1945 stage play using songs from the 1939 film; adapted by Frank Gabrielson for the St. Louis Municipal Opera.

begins at a fictional Delbrook Senior Secondary in 1988 with a Columbine-like massacre at the school, the original having taken place in April 1999 in Jefferson County, Colorado.

The school had teams in football, rugby union, gymnastics, baseball, wrestling, volleyball, field hockey, basketball, swimming, tennis and golf.

The Senior Boys football team captured the Shrine Bowl Provincial Championship in 1969, beating Maple Ridge Secondary 13-9 at Empire Stadium.

[24] The Senior Tennis team won the 1968 BC provincial championships led by singles winners Michelle Carey and David Johnston.