Teacher-Parent Discrepancy in a Bilingual Second Grader
Dr. L, a psychologist at a Title I elementary school, evaluates Mateo, an 8-year-old second grader who moved from Guatemala 2 years ago. He receives English-only instruction, and his parents speak mostly Spanish. His teacher reports that he cannot sit still, blurts out answers, and is 'always out of his seat'; she completes the Conners Teacher Rating Scale with a T-score of 74 on the ADHD index and requests a diagnosis so he can receive a 504 plan. Mateo's mother reports no significant problems at home and completes the Conners Parent Rating Scale with a T-score of 47. On the WISC-V, his FSIQ is 88, with Verbal Comprehension 76, Visual Spatial 104, Working Memory 82, and Processing Speed 86. His English oral language score is in the low range; Spanish is reportedly stronger but has not been assessed. Reading fluency is below the 10th percentile. Hearing and vision screenings are normal.
1. How would you interpret the discrepancy between teacher and parent ratings, and what diagnostic hypotheses must be ruled out before considering ADHD?
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Teacher-parent discrepancy is common and is not by itself evidence for or against ADHD. The teacher sees Mateo in a demanding English-only classroom; the parent sees him at home in Spanish, where language demands and behavioral expectations differ. ADHD requires symptoms across at least two settings, so a single elevated teacher rating cannot support the diagnosis. I would also take seriously the possibility of informant bias: teachers may misread normal second-language behavior, cultural communication styles, or limited instructional support as hyperactivity. Before ADHD, rule out language disorder and limited English proficiency, learning disability in reading, anxiety, trauma exposure, sleep problems, hearing/vision issues, and medical conditions. The low Verbal Comprehension score and low English oral language raise concern that the WISC-V FSIQ is not a valid estimate of ability. The reading fluency deficit may reflect a learning disability, language acquisition, or both. The judgment is to avoid diagnosing ADHD from a cross-informant discrepancy alone.
2. What assessment steps would you take next, and what role should language proficiency play?
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I would conduct a comprehensive, multimethod, bilingual evaluation. Steps include: a parent interview with a qualified interpreter covering developmental, medical, school, migration, and trauma history; classroom observations in both structured and unstructured settings; behavior rating scales completed by multiple teachers and parents, using Spanish versions and appropriate norms; direct assessment of Spanish and English oral language, phonological awareness, and reading; review of attendance, instruction, and prior interventions; and sleep and hearing/vision screening. Language proficiency is central, not incidental: testing Mateo only in English confounds language acquisition with disorder, and the WISC-V Verbal Comprehension score should not be interpreted as low cognitive ability without Spanish assessment. I would not give an ADHD diagnosis until symptoms are documented across settings and are not better explained by language, learning, or environmental factors. If ADHD remains likely after that, I would refer for medical evaluation and discuss DSM-5-TR cross-setting criteria explicitly.
3. How would you communicate findings and recommendations to the teacher and family?
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Feedback should be clear, non-blaming, and data-based. To the teacher, I would explain that the current data do not support an ADHD diagnosis and that the teacher-parent discrepancy is informative rather than a reason to choose one informant. I would recommend classroom supports that benefit all students: predictable routines, visual cues, movement breaks, preferential seating, small-group instruction, and explicit English-language support. I would ask the teacher to track specific behaviors and response to supports for 4–6 weeks. To the family, I would explain in Spanish that Mateo's pattern may reflect second-language acquisition and reading difficulty, not a behavior disorder, and that further bilingual assessment is needed. I would avoid promising that he does or does not have ADHD. I would schedule follow-up, involve the school team, and ensure that any eventual diagnosis is based on cross-setting, culturally and linguistically valid evidence. Documentation should distinguish test limitations from diagnostic conclusions.