Pennsylvania Schools
- Mary Channing Wister School
- Mary Disston School
- Mary Pappert School Of Music
- Marywood University
- Mastery Charter School Mann Elementary
- Mastery Charter School Shoemaker Campus
- Mastery Charter School Thomas Campus
- Mastery Charter Schools
- Mathematics, Civics And Sciences Charter School
- Maurice H Kornberg School Of Dentistry
- Mccann School Of Business And Technology
- Mcdowell High School
- Mcguffey High School
- Mcguffey School District
- Mckeesport Area High School
- Mckeesport Area School District
- Meadville Area Senior High School
- Meadville Lombard Theological School
- Mechanicsburg Area School District
- Mechanicsburg Area Senior High School
- Media Providence Friends School
- Mellon College Of Science
- Memphis Street Academy
- Mercer Area High School
- Mercer Area School District
- Mercersburg Academy
- Mercy Vocational High School
- Mercyhurst North East
- Mercyhurst Preparatory School
- Mercyhurst University
- Merion Mercy Academy
- Messiah University
- Methacton High School
- Methacton School District
- Meyersdale Area High School
- Meyersdale Area School District
- Microsoft's School Of The Future
- Mid Valley School District
- Mid Valley Secondary Center
- Midd West High School
- Midd West School District
- Middle Bucks Institute Of Technology
- Middletown Area High School
- Middletown Area School District
- Midland Borough School District
- Midwestern Intermediate Unit Iv
- Mifflin County High School
- Mifflin County School District
- Mifflin Elementary School
- Mifflin School
- Mifflin Juniata Career And Technology Center
- Mifflinburg Area High School
- Mifflinburg Area School District
- Millcreek Township School District
- Millersburg Area School District
- Millersville University Of Pennsylvania
- Millville Area Junior Senior High School
- Millville Area School District
- Milton Area High School
- Milton Area School District
- Milton Hershey School
- Minersville Area School District
- Misericordia University
- Mohawk Area School District
- Monaca School District
- Monessen City School District
- Monessen High School
- Moniteau School District
- Monroe Elementary School
- Monsignor Bonner High School
- Montgomery Area High School
- Montgomery Area School District
- Montgomery County Community College
- Montgomery County Intermediate Unit
- Montour High School
- Montour School District
- Montoursville Area High School
- Montoursville Area School District
- Montrose Area Junior Senior High School
- Montrose Area School District
- Moon Area High School
- Moon Area School District
- Moore College Of Art And Design
- Mooresburg School
- Moravian Academy
- Moravian University
- Morrisville Borough School District
- Morrisville Middle Senior High School
- Moshannon Valley Junior Senior High School
- Moshannon Valley School District
- Motivation High School
- Mount Aloysius College
- Mount Carmel Area High School
- Mount Carmel Area School District
- Mount Carmel Christian School
- Mount Pleasant Area Junior Senior High School
- Mount Pleasant Area School District
- Mount Saint Joseph Academy
- Mount Union Area School District
- Mount Union Area Senior High School