D.C. Mayor Muriel E. Bowser (D) appointed Kang as superintendent in 2015, and she has served alongside three chancellors and two deputy mayors for education.
Bowser said she will launch a nationwide search for a replacement.
The state superintendent’s office is the District’s equivalent of a state education department. It is the liaison between the federal Education Department and the city, and has a range of responsibilities. Those include administering standardized exams, overseeing early-childhood education programs and providing transportation for special-education students.
Kang is credited with improving the reputation and credibility of a hard-to-define agency that residents often know little about. She boosted early-childhood education offerings and made some data about schools more accessible to families.
“There has been continued progress in student achievement and outcomes,” Kang said of her tenure. “We have seen that progress in student assessments.”
Kang was responsible for creating the DC School Report Card, a