Interesting. My six-year-old son had the CELF-4 Concepts & Following Directions (scaled score 12) and Understanding Spoken Paragraphs (scaled score 6) sections, and the CASL (subtest scores from 77 (paragraph comprehension) to 126 (antonyms), with the others right around 100) and TNL (97). I don't think he has a particularly good working memory, but I don't have testing to support that opinion. Are those tests similar to the WJIII subtest, with visual supports that he could use?