The PMHNP is having a family meeting with 8-year-old Hunter and his father and stepmother to discuss the results of his mathematics assessment. Analysis of his performance on the KeyMath Diagnostic Arithmetic Test reveals a performance markedly below what is expected for his age. Hunter's mother feels certain that his poor performance is a result of poor education; apparently Hunter's mother was homeschooling him, but subsequently she was found to be so neglectful of all of his needs that his father and stepmother were given full custody. When discussing the course and prognosis for Hunter's mathematics disorder, the PMHNP advises that ________.