I don't think they use it. I can ask.
I think they prefer to do placement decisions based on their own SSA tests which are the end of year test for the year you'd skip. Most of the time the students only need 85% correct to skip the material. For whatever reason it's 100% for K students trying to skip 1st grade math or ELA.
My son was assessed using some classroom math assessment that all students do a few times a year and also one for reading/writing. We've received none of the data from those assessments. I guess I need to be a pushy parent and ask again for them. They kept saying we'd get them "later." Okay, now it's Feb of the school year and they tested them in September. When exactly is "later"?
Things move very slowly. I'm afraid if I don't bring my own data they will take 6 months gathering the data and then 1st grade will be over. Can a private psychologist do the same type of testing?