I started out all of my kids with Spelling Workout. I had one son (now 11) who was not successful at all with the program so years later I changed to sequential Spelling. I asked him at the end of last year if he learned anything from it. He said, "yeah, I learned I can't spell." So, back to the drawing board. We have taken a break from "spelling" curriculums for a bit. He reads very well, but still has trouble spelling even the word "when." Even though he writes it often, he still spells it "wene." His vocabulary is huge and uses words even my 13 year old son won't add into his work. I thought I would go back to the basics and bought "Phonics Tutor" but havn't had a chance to use it with him yet. I read some information about visual spatial learners and it seems that spelling problems go along with that. Check it out. Even though he is 11, I still write some of what he needs (history and science journalling etc....) Or I just encourage him to write it out and ask me to spell when he gets stuck, or sound it out. He doesn't like to write it down wrong, so it can get very frustrating for him. Typing is another helpful thing. Also, try text to speach on the computer if it isn't a spelling test, but just a paper or essay.