he may not know what’s going to happen next even though you’ve explained and even though the rest of the group has internalized your routine
kids with auditory processing weaknesses may hear just fine but have trouble understanding what they hear, processing the information and knowing how to react/respond to what you’ve said
does he know what’s expected of him?
does he know how to ask for help?
have you used social stories to give him guidelines?
has he been sitting too long?
has he taken a body break? Give him legitimate reasons to leave his desk, such as sharpening his pencil, getting a drink, delivering a note for the teacher, sitting in a different location
what things keep him calm?
would he remain more relaxed sitting in a bean bag chair? a rocking chair
is this a time to try his weighted vest or ankle weights?