Princeton High School is a public, co-educational comprehensive high school located in Sharonville, Ohio.

PHS serves grades nine through twelve. Established in 1955 and having graduated its first class in 1959, Princeton High School opened its doors on September 15, 1958 and is located near Cincinnati in Hamilton County in the state of Ohio. It is situated near the intersection of interstates 75 and 275 at 100 Viking Way. Princeton High School is well known for its academic excellence – offering a full slate of advanced placement and International Baccalaureate courses – as well as outstanding technology, music, and athletic departments. Princeton High School is accredited by the North Central Association.

Princeton High School has been educating students of Evendale, Glendale, Lincoln Heights, Springdale, Sharonville, Woodlawn and portions of Blue Ash, Deerfield Township, West Chester Township, and Springfield Township since its consolidation in 1955. From these areas, Princeton High School draws one of the most diverse student bodies of any school in the area – being home to students from fifty-five nations and of numerous races and diverse socioeconomic backgrounds.