The number of statewide member schools participating in a particular sport will determine how many different classifications there will be. For example, boys' volleyball, the sport with the smallest number of participating schools, only has a AA or AAA classification. By comparison, boys' basketball, which has the largest number of participating schools, has A, AA, AAA, AAAA, AAAAA, AAAAAA classifications. The number of A's signify how large or small the school is; Class A is the smallest classification while AAAAAA is the largest. The PIAA tries to place an equal number of schools in each classification.
