- Paddock View Residential Center
- Paoli Jr & Sr High School
- Parke Heritage High School
- Pendleton Heights High School
- Penn High School
- Perry Central Jr-Sr High School
- Perry Meridian High School
- Peru High School
- Pierceton Woods Academy
- Pike Central High School
- Pike High School
- Pioneer Jr-Sr High School
- Plainfield High School
- Plymouth High School
- Portage Christian School
- Portage High School
- Prairie Heights Sr High School
- Princeton Community High School
- Providence Cristo Rey High School
- R Nelson Snider High School
- Randolph Southern Jr-Sr High Sch
- Reitz Memorial High School
- Rensselaer Central High School
- Richmond High School
- Riley High School
- Rise Up Academy at Eggleston
- Rising Sun High School
- River Forest High School
- Riverton Parke Jr-Sr High School
- Rivet Middle & High School
- Rochester Community High School
- Rock Creek Community Academy
- Roncalli High School
- Rossville Middle/Senior High School
- Rushville Consolidated High School