What kind of spelling errors? I had a classmate in high-school who always got liw marks in the language classes due to spelling errors. I worked with him on a

What kind of spelling errors? I had a classmate in high-school who always got liw marks in the language classes due to spelling errors. I worked with him on a group project once, and had to correct tons of words which were jumbled up. But apart from that his wprk was very good. Was years later until I realized he must have had dyslexia. So yea, that's one way "poor writing skill" might not be an indicator for anything else.