<p>I fully agree at this post:</p>
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<p>He has done better than many who have been in US for 20+ years.
Please give him more time (yes, he is “old” enough. But he is not in this environment long enough. Overcoming the language barrier does not imply that he has overcome other barriers in a new environment.)</p>
<p>Please be more patient.</p>
<p>OP, You seem to be a very supportive parent. Please continue to be so in his next 4 years.</p>