Parkville High School (PHS) is a four-year public high school in Baltimore County, Maryland, United States.

It is on the inside of the Baltimore Beltway, on Putty Hill Avenue, just west of Harford Road Maryland Route 147, and east of Old Harford Road.

Parkville High School at its current location opened in September 1958.

[4] An extensive, $40  million renovation project began in 2014 to air condition the building, refurbish the exterior, and remodel much of the interior space.

Parkville High school received a 40.3 out of a possible 97 points (41%) on the 2018-2019 Maryland State Department of Education Report Card and received a 2 out of 5 star rating, ranking in the 16th percentile among all Maryland schools.