| Name |
County |
| Northern Bedford County Middle and Senior High School |
Bedford County |
| Northern Cambria Catholic School |
Cambria County |
| Northern Dauphin Christian School |
Dauphin County |
| Northern Potter Junior and Senior High School |
Potter County |
| Northern Tier Christian School |
Tioga County |
| Northgate Middle - High School |
Allegheny County |
| Northside Catholic School |
Allegheny County |
| Northumberland Christian School |
Northumberland County |
| Northwest Area Middle School / High School |
Luzerne County |
| Northwest Tri County Intermediate Unit 5 |
Erie County |
| Northwestern Human Services School Apollo |
Armstrong County |
| Northwestern Human Services School Ellsworth |
Washington County |
| Northwestern Human Services School Reading |
Berks County |
| Northwestern Human Services School Somerset |
Somerset County |
| Northwestern Primary School |
Beaver County |
| Northwood Academy Charter School |
Philadelphia County |
| Norwood - Fontbonne Academy |
Philadelphia County |
| Norwood School |
Delaware County |
| Notre Dame de Lourdes School |
Delaware County |
| Notre Dame Junior Senior High School |
Monroe County |
| Notre Dame of Bethlehem School |
Lehigh County |
| Oak Grove Amish School |
Lancaster County |
| Oak Grove Amish School |
Clinton County |
| Oak Grove Parochial School |
Indiana County |
| Oak Lane Mennonite School |
Lancaster County |
| Oak Ridge Amish School |
Lancaster County |
| Oak Shade School |
Lancaster County |
| Oakgrove Amish Parochial School |
Somerset County |
| Oakwood Baptist Day School |
Cumberland County |
| Octorara Intermediate School |
Chester County |
| Octorara Junior - Senior High School |
Chester County |
| Octorara Primary Learning Center |
Chester County |
| Oilcreek School |
Crawford County |
| Old Forge Junior / Senior High School |
Lackawanna County |
| Old Line Amish School |
Lancaster County |
| Old Paths Baptist Academy |
Chester County |
| Olive Branch Christian Academy |
Lancaster County |
| Olney Elementary School |
Philadelphia County |
| Open Door Christian Academy |
Montgomery County |
| Open Door Christian School |
Greene County |
| Opportunities School An Elwyn |
Berks County |
| Orchard Hill School |
Mercer County |
| Orchard Hills Christian Academy |
Armstrong County |
| Orchard Knob School |
Crawford County |
| Orchard Lane School |
Crawford County |
| Orchard Side School |
Mifflin County |
| Ore Bank School |
Clinton County |
| Osborn School |
Mercer County |
| Oswayo Valley Middle - High School |
Potter County |
| Otterbein Christian Academy |
Clearfield County |
| Otterbein School |
Franklin County |
| Otto - Eldred Junior and Senior High School |
McKean County |
| Our Lady Help of Christians School |
Lehigh County |
| Our Lady of Angels Regional Catholic School |
Delaware County |
| Our Lady of Calvary School |
Philadelphia County |
| Our Lady of Confidence Day School at Saint David Parish |
Montgomery County |
| Our Lady of Fatima School |
Beaver County |
| Our Lady of Good Counsel School |
Bucks County |
| Our Lady of Grace School |
Bucks County |
| Our Lady of Grace School |
Allegheny County |
| Our Lady of Hope Regional Catholic School |
Philadelphia County |
| Our Lady of Lourdes Regional School |
Northumberland County |
| Our Lady of Mercy Regional Catholic School |
Montgomery County |
| Our Lady of Mount Carmel Catholic School |
Bucks County |
| Our Lady of Mount Carmel School |
Erie County |
| Our Lady of Peace School |
Erie County |
| Our Lady Of Peace School |
Lackawanna County |
| Our Lady of Perpetual Help School |
Northampton County |
| Our Lady of Port Richmond School |
Philadelphia County |
| Our Lady of the Angels School |
Lancaster County |
| Our Lady of the Most Blessed Sacrament School |
Allegheny County |
| Our Lady of the Sacred Heart School |
Cambria County |
| Our Lady of Victory Catholic School |
Centre County |
| Our Mother of Consolation Parish School |
Philadelphia County |
| Our Mother of Perpetual Help School |
Lancaster County |
