Originally Posted by polarbear
* buildup of sensory challenges over several days gets to the spill-over point where he can't cope with it - I have a dd who was diagnosed with SPD when she was his age, and she could bottle up quite a bit for a day or so in the classroom, but over several continuous days in class it started to take a toll on her.

This rings true for me... combine it with the class work being too easy, and by the end of the week you'd have an off-task child for sure.