Originally Posted by Dude
It could be a bad idea, depending on what you mean by "social issues." If the problem is that he's a whole lot more mature than his current classmates, setting him back with a group a year younger is unlikely to help.
From how I read it, I don't think that she is intending to put him back with age peers after year off. I read it to mean that they were considering taking 3rd grade off to unschool and then have him return the following year as a 4th grader - retaining the grade skip.

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