Well, I guess I'd be looking at his day and what it looks like on paper. Also, what kinds of goals does he have listed on the IEP and what did they look like last IEP. Did he meet his goals? Are they too basic? Too advanced for him. Maybe they need to be broken down a bit more? Then I'd wonder how his whole day is. Learning is more then just the IEP. You said he is full day now and kinda tired at the end of the day. When are they doing his learning stuff from the IEP? If he is tired in the afternoons I'd bet he doesn't want to learn much

I know I wouldn't! LOL
Every child is different. My son regresses very easily and 6 weeks would not be a good indicator of anything for us. Russell would need more time then 6 weeks before I said I didn't think things were working.
Just make sure they also are documenting well if he is or isn't making progress. How does the teacher communicate with you? Maybe start doing a communication notebook or daily sheets she can fill out. We get one everyday.
Good luck!
A.
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2007 St. Louis Buddy Walk Regan 14 (and a half), Russell 9 (and a half) DS, Autism, Visually Impaired, Reece 7.