Pleasant Hill High School, or PHHS, is a public four-year high school located at 501 East Quincy Street in Pleasant Hill, Illinois, a village in Pike County, Illinois, in the Midwestern United States.

PHHS serves the community of Pleasant Hill.

[2][3] The campus is located 55 miles southwest of Jacksonville, Illinois, and serves a mixed village and rural residential community.

Their mascot is the Wolves, with school colors of blue and gold.

PHHS coops with nearby Western High School or Calhoun High School for some athletics (Western for football, Calhoun for track and field).