The PIAA released classification enrollment parameters for all sports in the 2022-23 school year.
| SCHOOL | BOYS | GIRLS | FOOTBALL | BOYS BASKETBALL | GIRLS BASKETBALL |
|---|---|---|---|---|---|
| North Allegheny | 1036 | 967 | 6A | 6A | 6A |
| Seneca Valley | 830 | 794 | 6A | 6A | 6A |
| Mt. Lebanon | 703 | 643 | 6A | 6A | 6A |
| Butler | 629 | 659 | b-6A | 6A | 6A |
| Central Catholic | 567 | NT | 6A | 6A | NT |
| Canon-McMillan | 563 | 622 | 6A | 6A | 6A |
| Hempfield | 553 | 573 | 5A | 6A | 6A |
| Norwin | 547 | 572 | 5A | 6A | 6A |
| Baldwin | 541 | 500 | 5A | 6A | 6A |
| Pine-Richland | 530 | 498 | 5A | 6A | 6A |
| Upper St. Clair | 506 | 442 | 5A | *6A | *6A |
| Fox Chapel | 505 | 458 | 5A | 5A | 5A |
| North Hills | 492 | 452 | 5A | 5A | 5A |
| Shaler | 480 | 439 | 5A | 5A | 5A |
| Moon | 458 | 392 | 5A | 5A | 5A |
| Peters Twp. | 452 | 479 | 5A | 5A | 6A |
| Bethel Park | 449 | 474 | 5A | 5A | 6A |
| Penn-Trafford | 444 | 436 | 5A | 5A | 5A |
| Plum | 428 | 385 | 5A | 5A | 5A |
| Penn Hills | 423 | 392 | 5A | 5A | 5A |
| Gateway | 422 | 347 | 5A | 5A | 5A |
| Franklin Regional | 400 | 371 | 5A | 5A | 5A |
| South Fayette | 399 | 378 | 5A | 5A | 5A |
| Trinity | 372 | 393 | 4A | 5A | 5A |
| Mars | 368 | 395 | 4A | 5A | 5A |
| Armstrong | 368 | 366 | 4A | 5A | 5A |
| New Castle | 361 | 355 | 4A | 5A | 5A |
| Connellsville | 350 | 359 | 4A | 5A | 5A |
| Oakland Catholic | NT | 350 | NT | NT | 5A |
| West Allegheny | 332 | 335 | 4A | 5A | 5A |
| Kiski Area | 328 | 342 | 4A | 5A | 5A |
| McKeesport | 319 | 294 | 4A | 5A | 5A |
| Latrobe | 315 | 386 | 4A | 5A | 5A |
| Chartiers Valley | 311 | 316 | 4A | 5A | 5A |
| Ringgold | 305 | 271 | 4A | 5A | 4A |
| Thomas Jefferson | 300 | 360 | 4A | 5A | 5A |
| Albert Gallatin | 291 | 301 | 4A | 4A | 5A |
| Hampton | 290 | 309 | 4A | 4A | 5A |
| Indiana | 284 | 311 | 4A | 4A | 5A |
| Blackhawk | 283 | 278 | 4A | 4A | 4A |
| Montour | 277 | 304 | 4A | 4A | 5A |
| Ambridge | 277 | 237 | 4A | 4A | 4A |
| North Catholic | 276 | 232 | 4A | 4A | 4A |
| Laurel Highlands | 271 | 281 | 4A | 4A | 4A |
| Highlands | 271 | 237 | 4A | 4A | 4A |
| Central Valley | 267 | 219 | 4A | 4A | 4A |
| Beaver | 253 | 221 | 3A | 4A | 4A |
| Belle Vernon | 251 | 264 | 3A | 4A | 4A |
| Uniontown | 246 | 250 | 3A | 4A | 4A |
| Woodland Hills | 245 | 250 | *5A | *5A | *5A |
| Elizabeth Forward | 238 | 279 | 3A | 4A | 4A |
| Knoch | 229 | 224 | 3A | 4A | 4A |
| Hopewell | 225 | 205 | 3A | 4A | 4A |
| West Mifflin | 218 | 230 | 3A | 4A | 4A |
| Greensburg Salem | 214 | 277 | 3A | 4A | 4A |
| Freeport | 213 | 208 | 3A | 4A | 4A |
| Southmoreland | 209 | 214 | 3A | 4A | 4A |
| East Allegheny | 207 | 161 | 3A | 4A | 3A |
| Quaker Valley | 205 | 195 | 3A | 4A | 4A |
| South Allegheny | 203 | 155 | 3A | 4A | 3A |
| Avonworth | 199 | 182 | 3A | 4A | 3A |
| Shady Side Academy | 194 | 160 | 3A | 3A | 3A |
| Deer Lakes | 192 | 187 | 3A | 3A | 3A |
| South Park | 188 | 181 | 3A | 3A | 3A |
| Valley | 187 | 205 | 3A | 3A | 4A |
| Mount Pleasant | 181 | 185 | 3A | 3A | 3A |
| Brownsville | 180 | 168 | 2A | 3A | 3A |
| Keystone Oaks | 177 | 184 | 2A | 3A | 3A |
| Beaver Falls | 174 | 192 | 2A | 3A | 3A |
| Derry | 173 | 195 | 2A | 3A | 4A |
| Yough | 168 | 177 | 2A | 3A | 3A |
| Ellwood City | 166 | 160 | 2A | 3A | 3A |
| Riverside | 165 | 148 | 2A | 3A | 3A |
| Waynesburg | 163 | 155 | 2A | 3A | 3A |
| Steel Valley | 162 | 126 | 2A | 3A | 2A |
| Mohawk | 162 | 155 | 2A | 3A | 3A |
| McGuffey | 157 | 183 | 2A | 3A | 3A |
| Sto-Rox | 152 | 119 | 2A | 3A | 2A |
| Burrell | 152 | 187 | 2A | 3A | 3A |
| Seton LaSalle | 144 | 152 | *3A | 3A | 3A |
| Charleroi | 139 | 140 | 2A | 3A | 3A |
| New Brighton | 138 | 123 | 2A | 3A | 2A |
| Neshannock | 138 | 129 | 2A | 3A | 2A |
| Freedom | 138 | 126 | *2A | 3A | 2A |
| Apollo-Ridge | 135 | 132 | 2A | 3A | 3A |
| Ligonier Valley | 134 | 166 | 2A | 3A | 3A |
| Brentwood | 134 | 113 | 2A | 3A | 2A |
| Washington | 133 | 127 | 2A | 3A | 2A |
| Propel Braddock Hills | 127 | 129 | NT | 2A | 2A |
| Chartiers-Houston | 123 | 95 | 1A | 2A | 2A |
| Beth-Center | 121 | 117 | 1A | 2A | 2A |
| Aliquippa | 118 | 106 | c-5A | 2A | 2A |
| Northgate | 115 | 93 | 1A | 2A | 2A |
| Lincoln Park | 113 | 325 | NT | *4A | 5A |
| Riverview | 112 | 71 | 1A | 2A | 1A |
| South Side Beaver | 110 | 97 | 1A | 2A | 2A |
| Shenango | 110 | 128 | 1A | 2A | 2A |
| O.L.S.H. | 108 | 136 | 1A | 2A | 3A |
| Greensburg C.C. | 108 | 106 | 1A | 2A | 2A |
| Frazier | 105 | 96 | 1A | 2A | 2A |
| Burgettstown | 104 | 99 | 1A | 2A | 2A |
| Serra | 103 | 106 | *2A | 2A | 2A |
| Bentworth | 101 | 115 | 1A | 2A | 2A |
| Laurel | 99 | 134 | 1A | 2A | 3A |
| Jeannette | 97 | 80 | 1A | 2A | 1A |
| Fort Cherry | 95 | 124 | 1A | 2A | 2A |
| Winchester Thurston | 94 | 107 | NT | 2A | 2A |
| Propel Montour | 92 | 84 | NT | 2A | 2A |
| Springdale | 91 | 85 | 1A | 2A | 2A |
| Eden Christian | 91 | 78 | NT | 2A | 1A |
| Bishop Canevin | 91 | 74 | 1A | 2A | 1A |
| Nazareth Prep | 87 | 84 | NT | 2A | 2A |
| Leechburg | 87 | 83 | 1A | 2A | 1A |
| Carmichaels | 85 | 93 | 1A | 2A | 2A |
| Clairton | 84 | 84 | 1A | 2A | 2A |
| Carlynton | 83 | 84 | 1A | 1A | 2A |
| Sewickley Academy | 82 | 80 | NT | *2A | *2A |
| California | 81 | 95 | 1A | 1A | 2A |
| Union | 77 | 75 | 1A | 1A | 1A |
| Jefferson-Morgan | 76 | 67 | 1A | 1A | 1A |
| Rochester | 76 | 88 | 1A | 1A | 2A |
| West Greene | 74 | 62 | 1A | 1A | 1A |
| Summit Academy | 70 | NT | 1A | 1A | NT |
| Monessen | 67 | 71 | 1A | 1A | 1A |
| Mapletown | 66 | 51 | 1A | 1A | 1A |
| Western Beaver | 66 | 54 | 1A | 1A | NT |
| Propel Andrew Street | 62 | 77 | NT | 1A | 1A |
| Cornell | 57 | 61 | 1A | 1A | 1A |
| Aquinas Academy | 52 | 51 | NT | 1A | 1A |
| Avella | 50 | 47 | 1A | 1A | 1A |
| St. Joseph | 40 | 57 | NT | 1A | 1A |
| Neighborhood Academy | 37 | 35 | NT | 1A | 1A |
| Geibel | 30 | 26 | NT | 1A | 1A |
| Imani Christian | 29 | NT | a-2A | 1A | NT |
| Hillell Academy | 27 | 18 | NT | 1A | 1A |
| Ellis | NT | 98 | NT | NT | 2A |
| Allderdice | 604 | 508 | 6A City League | 6A City League | 6A City League |
| Brashear | 466 | 417 | 5A City League | 5A City League | 5A City League |
| Carrick | 299 | 280 | 4A City League | 5A City League | 4A City League |
| Obama | 111 | 316 | NT | 4A City League | 5A City League |
| Perry | 164 | 144 | 2A City League | 3A City League | 3A City League |
| University Prep | 341 | NT | 4A City League | NT | NT |
| Westinghouse | 149 | 135 | 2A City League | 3A City League | 3A City League |