Year-Over-Year Studies

Can I study the HSGPA supplied by my own institution in the Year-Over-Year report or does that need to be the HSGPA from the ACES database?
What if I decide to add or remove a submission after confirming my selection of submissions to be included in my ACES Year-Over-Year study?
Can we examine subgroups in a Year-Over-Year study?
What if I would like to review my previous ACES reports and files before submitting a Year-Over-Year study?
Can we conduct AP, CLEP, SAT Placement or ACCUPLACER Year-Over-Year studies?
Can we examine our institution-provided additional predictors in a Year-Over-Year study?
What is the limit to the number of cohorts and number of academic years that I can examine in a Year-Over-Year?
Can I include cohorts from prior to the 2017 entering cohort in a Year-Over-Year study?
If I didn’t submit all of the previous cohort files from my institution, how can I conduct a Year-Over-Year study in ACES?
Can we use scores from our local tests as predictors in ACES studies?