Just a brief comment on the multidisciplinary testing: it might not be as extensive (or as expensive) as it sounds, as there are a number of screening instruments for K that cover those five areas, but are done commonly by school systems for all entering K students. It may be that they will screen with the same instrument, but use the cut score for a K-aged child, rather than the age-normed score for a younger child. For example, the DIAL-4, one of the better K screening instruments, covers all of the standard five areas: motor, concepts (cognitive), language, self-help, and social development. It takes less than an hour to complete the stations (usually closer to half an hour), which are relatively fun and developmentally-appropriate for young children.
