From my understanding the grade equivalents can be misleading and thus are commonly not shared. Where Individual achievement tests like WIAT and WJ age equivalency can crudely mean your child is performing as an average x grader. The ITBS age equivalency doesn't mean that it means your child got the same score in this particular test as an average x grader would get on this particular test. To truly say my child is performing as an average x grader your child would need a score around 50% on ITBS for that specific grade.
I'm sure if I'm misinformed I'll be corrected, but as I understand it the information on grade averages for ITBS is not very useful.
