Penns Manor Area School District (Third Class) Purchase Line School District (Third Class; also extends into Clearfield County) River Valley School District (Third Class; also extends into Westmoreland County) United School District (Third Class) Schuylkill IU 29 Schuylkill County Blue Mountain School District (Third Class) Mahanoy Area School District (Third Class) Minersville Area School District (Third Class) North Schuylkill School District (Third Class; also extends into Columbia County) Pine Grove Area School District (Third Class) Pottsville Area School District (Third Class) Saint Clair Area School District (Third Class) Schuylkill Haven Area School District (Third Class) Shenandoah Valley School District (Third Class) Tamaqua Area School District (Third Class) Tri-Valley School District (Third Class) Williams Valley School District (Third Class; also extends into Dauphin County) See also List of high schools in Pennsylvania Pennsylvania School districts School districts