If you do the WJ, do make sure that the tester uses the subtests that will give a score that DITD accepts. DS had 9 subtests which produced 5 composite scores. Of all these (14 scores total) only one ( a composite) was accepted by DITD and that one (broad reading) was brought down by a fluency score of 105. Some of the other scores were >145, but none of these were acceptable. If I had it to do over again, I would have walked in with the DITD information and told them that I wanted all these subtests done!
