| 21st Century Cyber School | 455 Boot Rd, Downingtown | eighty-two | four hundred and sixty-seven | PK-12 |
| A J Mcmullen School | 4773 National Pike, Markleysburg | - | two hundred and fifteen | PK-12 |
| A L Wilson Elementary School | 100 AL Wilson Drive, Fairchance | - | one hundred and seventy-seven | PK-12 |
| A W Beattie Career Center School | 9600 Babcock Boulevard, Allison Park | - | seven hundred and seventy-five | PK-12 |
| Abington Heights High School | Noble Road, Clarks Summit | seventy-five | 1,284 | PK-12 |
| Abington Heights Ms School | 1555 Newton Ransom Blvd, Clarks Summit | - | 1,149 | PK-12 |
| Abington Junior School | 2056 Susquehanna St, Abington | - | 1,886 | PK-12 |
| Abington Shs School | 900 Highland Avenue, Abington | seventy-seven | 1,969 | PK-12 |
| Abraham Lincoln Elementary School | 1524 Hamilton Rd, Pittsburgh | - | three hundred and forty-three | PK-12 |
| Academy At Palumbo School | 1122 Catharine St, Philadelphia | - | one hundred and sixteen | PK-12 |
| Academy Park High School | 300 Calcon Hook Rd, Sharon Hill | thirteen | 1,299 | PK-12 |
| Academy School | 900 Agnew Rd, Pittsburgh | - | three hundred and seventy-five | PK-12 |
| Academy Street School | 851 Church St, Moscow | - | three hundred and fifty | PK-12 |
| Achievement House School | 1021 W Lancaster Ave. Suite 207, Bryn Mawr | - | three hundred and thirty-two | PK-12 |
| Acmetonia Primary School | 300 Pearl Street, Cheswick | - | three hundred and twenty-one | PK-12 |
| Acts @ William Penn School | 2915 North Third Street, Harrisburg | - | three hundred and sixty-nine | PK-12 |
| Ad Prima School | 3556 Frankford Avenue, Philadelphia | - | one hundred and forty-one | PK-12 |
| Adaire Alexander School | 1300 E Palmer St, Philadelphia | - | four hundred and seventy-four | PK-12 |
| Adamstown Elementary School | 256 West Main Street, Adamstown | - | four hundred and thirty-two | PK-12 |
| Admiral Peary Avts School | 948 Ben Franklin Highway, Ebensburg | - | four hundred and seventy-one | PK-12 |
| Aeffer Elementary School | 2900 Walnut St, Camp Hill | - | - | PK-12 |
| Aeffer Elementary School | 1235 Clairhaven St, Pittsburgh | - | two hundred and thirty-four | PK-12 |
| Aeffer School | 875 Pleasure Rd, Lancaster | - | three hundred and eighty | PK-12 |
| Aefferstown Elementary School | 301 N Carpenter St, Schaefferstown | - | two hundred and fifty | PK-12 |
| Aep/Transition School | 3325 Cherry Street, Erie | - | two hundred and ninety-four | PK-12 |
| Afton Elementary School | 1673 Quarry Rd, Yardley | - | five hundred and ninety-nine | PK-12 |
| Agora Cyber School | 995 Old Eagle School Road, Wayne | forty-eight | seven hundred and seventy-two | PK-12 |
| Akron Elementary School | 125 S 11th St, Akron | - | three hundred and sixty-four | PK-12 |
| Albany Elementary School | 3656 Route 737, Kempton | - | ninety-six | PK-12 |
| Albert Gallatin Area Shs School | 1119 Twp Dr, Uniontown | thirty-six | 1,284 | PK-12 |
| Albert Gallatin North Ms School | 113 College Avenue, Mcclellandtown | - | five hundred and two | PK-12 |
| Albert Gallatin South Ms School | 224 New Geneva Road, Point Marion | - | four hundred and thirty-four | PK-12 |
| Alburtis Elementary School | 222 West Third Street, Alburtis | - | five hundred and three | PK-12 |
| Alcorn James School | 3200 Dickinson St, Philadelphia | - | six hundred and forty-one | PK-12 |
| Aldan Magnet School | 1 North Woodlawn Ave, Aldan | - | - | PK-12 |
| Alice Afer Elementary School | 220 W School Dr, Linesville | - | four hundred and sixty-two | PK-12 |
| Aliquippa Elementary School | 800 21st St, Aliquippa | - | five hundred and thirty-one | PK-12 |
| Aliquippa Ms School | 100 Harding Ave, Aliquippa | - | three hundred and sixty-eight | PK-12 |
| Aliquippa Shs School | 100 Harding Ave, Aliquippa | four | three hundred and eighty-six | PK-12 |
| Allard Elementary School | 170 Shafer Rd, Moon Township | - | two hundred and thirty-four | PK-12 |
| Allderdice High School | 2409 Shady Ave, Pittsburgh | eighty-one | 1,678 | PK-12 |
| Allegheny Elementary #1 School | 1160 Municipal Dr, Duncansville | - | two hundred and three | PK-12 |
| Allegheny School | 12th & Allegheny, Philadelphia | - | - | - |
| Allegheny Trad Elementary Academy School | 810 Arch Street, Pittsburgh | - | four hundred and nine | PK-12 |
| Allegheny Trad Mid Academy School | 810 Arch Street, Pittsburgh | - | three hundred and fifteen | PK-12 |
| Allegheny Valley Elementary School | 100 North Main St, Clarendon | - | one hundred and forty | PK-12 |
| Allegheny-Clarion Valley Elementary School | 776 Route 58, Foxburg | - | four hundred and twenty-eight | PK-12 |
| Allegheny-Clarion Valley High School | 762 Route 58, Foxburg | fifty-six | four hundred and ninety | PK-12 |
| Allegheny-Hyde Park Elementary School | 1048 School Road, Leechburg | - | six hundred and forty-seven | PK-12 |
| Allen Dr Ethel School | 3200 W Lehigh Ave, Philadelphia | - | four hundred and four | PK-12 |
| Allen Ethan School | 6329 Battersby St, Philadelphia | - | nine hundred and three | PK-12 |
| Allen Ms School | 4225 Gettysburg Rd, Camp Hill | - | four hundred and ninety-five | PK-12 |
| Alliance For Progress School | 1821-39 Cecil B Moore Avenue, Philadelphia | - | three hundred and five | PK-12 |
| Allison Park Elementary School | 803 McGovern Rd, Houston | - | five hundred and eighty-two | PK-12 |
| Alloway Creek Intrmd School | 162 Newark Street, Littlestown | - | three hundred and forty-two | PK-12 |
| Altoona Area High School | 1415 6th Ave, Altoona | fifty-nine | 1,921 | PK-12 |
| Altoona Area Junior High School | 1400 7th Ave, Altoona | - | - | PK-12 |
| Amanda E Stout Elementary School | 321 S 10th St, Reading | - | seven hundred and thirty | PK-12 |
| Ambridge Area High School | 909 Duss Avenue, Ambridge | forty-four | nine hundred and sixty | PK-12 |
| Ambridge Area Junior School | 401 First Street, Freedom | - | four hundred and seventy-five | PK-12 |
| Amity Intrmd Center School | 200 Boone Drive, Douglassville | - | six hundred and fifty-two | PK-12 |
| Amity Primary Center School | 2144 Weavertown Rd, Douglassville | - | four hundred and ninety-two | PK-12 |
| Amos K Hutchinson Elementary School | 810 Welty St, Greensburg | - | six hundred and thirty-six | PK-12 |
| Amosland Elementary School | 549 Amosland Rd, Morton | - | five hundred | PK-12 |
| Amy At Martin School | 3380 Richmond St, Philadelphia | - | three hundred and eighty-five | PK-12 |
| Amy Nw School | 6611 Ardleigh St, Philadelphia | - | two hundred and thirty-two | PK-12 |
| Anderson Add B School | 1034 S 60th St, Philadelphia | - | four hundred and eighty-two | PK-12 |
| Andrew Maier Elementary School | 355 Andrew Maier Blvd, Blandon | - | five hundred and thirty-three | PK-12 |
| Anna L Carter Kdg Center School | 1201 N Progress Ave, Harrisburg | - | one hundred and eighty-six | PK-12 |
| Annville Cleona Jshs School | 500 S White Oak St, Annville | eighty | seven hundred and ninety-nine | PK-12 |
| Annville Elementary School | 205 S White Oak St, Annville | - | three hundred and forty-seven | PK-12 |
| Antietam Ms/Hs School | 100 Antietam Rd, Reading | sixty-one | five hundred and fifty-five | PK-12 |
| Antonia Pantoja Community Charter School | 4101 North American St, Philadelphia | - | - | PK-12 |
| Apollo-Ridge Elementary School | 1831 State Route 56, Spring Church | - | six hundred and eighty | PK-12 |
| Apollo-Ridge High School | Star Route Box 46A, Spring Church | fifty-four | four hundred and forty-four | PK-12 |
| Apollo-Ridge Ms School | 1829 State Route 56, Spring Church | - | three hundred and seventy-eight | PK-12 |
| Appleman Elementary School | 600 Green Acres Road, Benton | - | four hundred | PK-12 |
| Arcola Intrmd School | 4000 Eagleville Road, Norristown | - | 1,310 | PK-12 |
| Ardmore Avenue School | 161 Ardmore Ave, Lansdowne | - | four hundred and eighty-one | PK-12 |
| Arendtsville Elementary School | 136 Fohl St, Arendtsville | - | one hundred and eighty-seven | PK-12 |
| Arlington Elementary School | 2500 Jonquil Way, Pittsburgh | - | five hundred and thirty-two | PK-12 |
| Arlington Heights Elementary School | 1100 N 9th St, Stroudsburg | - | two hundred and sixty-nine | PK-12 |
| Armagh Elementary School | 283 Broad St, Milroy | - | two hundred and fifteen | PK-12 |
| Armstrong Ms School | 475 Wistar Rd, Fairless Hills | - | five hundred and twenty-one | PK-12 |
| Aronimink Elementary School | 4611 Bond Ave, Drexel Hill | - | three hundred and eleven | PK-12 |
| Arrowhead Elementary School | 232 Level Rd, Collegeville | - | four hundred and thirty-four | PK-12 |
| Arsenal Elementary School | 215 39th St, Pittsburgh | - | two hundred and forty-eight | PK-12 |
| Arsenal Ms School | 3900 Butler St, Pittsburgh | - | five hundred and forty-eight | PK-12 |
| Arthur Chester A School | 2000 Catharine St, Philadelphia | - | two hundred and thirty-seven | PK-12 |
| Arthur Street Elementary School | 424 East 9th St, Hazleton | - | four hundred and thirty-one | PK-12 |
| Artman Elementary School | 343 N Hermitage Rd, Hermitage | - | four hundred and thirty-three | PK-12 |
| Asa Packer Elementary School | 1650 Kenwood Dr, Bethlehem | - | four hundred and twenty-five | PK-12 |
| Asbury Elementary School | 5875 Sterrettania Rd, Fairview | - | five hundred and seventy-two | PK-12 |
| Aston Elementary School | 900 Tryens Rd, Aston | - | four hundred and forty-two | PK-12 |
| Athens Area High School | 401 West Frederick Street, Athens | fifty-eight | six hundred and fifteen | PK-12 |
| Audenried Charles Y Shs School | 3301 Tasker St, Philadelphia | - | - | - |
| Audrielle Lynch-Ellen Bustin Elementary School | 253 Pennsylvania Avenue, Athens | - | five hundred and ninety-three | PK-12 |
| Audubon Elementary School | 2765 Egypt Rd, Audubon | - | five hundred and sixty-one | PK-12 |
| Austin Area Elementary School | 138 Costello Avenue, Austin | - | one hundred and twenty-three | PK-12 |
| Austin Area Jshs School | 138 Costello Avenue, Austin | - | one hundred and twenty-three | PK-12 |