I have 1st grade twins who were recently assessed using the PIAT and I don't know what the results mean other than that I was told they did very well and they were accepted into a magnet program. I know what stanines and percentile are. Specifically, I don't know what the 129, 133, 140, and 141 mean or are equivalent to. Any help or insight is appreciated. Here are the results:
Son
o Reading 140 � Stanine 9 � 99th percentile
o Math 141 � Stanine 9 � 99th percentile
Daughter
o Reading 129 � Stanine 9 � 97th percentile
o Math 133 � Stanine 9 � 99th percentile