In addition to the school building, twenty–two mobile classroom which served as vocational shops were constructed on the site over the course of several months after its opening.

[14] On January 9, 2009, five people were shot outside the school after a varsity basketball game against John Hope College Prep had concluded around 8PM.

[17] On May 23, 2013, A 16–year old female student was pushed down a flight of stairs and assaulted by a male security guard at the school.

Dunbar competes in the Chicago Public League (CPL) and is a member of the Illinois High School Association (IHSA).

The girls track and field team were public league champions and placed second in 1977–1978 and Class AA three times (1977–1978, 1978–1979, 1985–1986).

The boys' wrestling team were public league champions in 1977–1978 and ranked Class AA two times (1977–1978, 2007–2008).