Pittsfield High School (Illinois)
 Pittsfield High School or PHS is a public four-year high school located at 201 East Higbee Street in Pittsfield Illinois a small city in Pike County Illinois in the Midwestern United States. PHS serves the communities of Pittsfield Baylis Milton Nebo Pearl and Rockport. The campus is located 35 miles west of Jacksonville Illinois and serves a mixed small city village and rural residential community.