How is the PPI used in AYP decisions?
The PPI measures growth across all levels of the PSSA, not just from Basic to Proficient. This index starts each school and subgroup at its own 2002 baseline and is aligned with the federal No Child Left Behind Act as it aims for 100% proficiency by 2014. PPI can be used by schools and districts to demonstrate significant growth. Since this index shows significant growth including growth at the lowest levels, it is a good indication that low performing schools are building a foundation to meet AYP targets.
