Going off of our local tests that give you scores like that (high proficient, low advanced, etc.), I don't expect that those would work. Low advanced is usually around the 95th percentile.

One of my girls took the WJ-III years ago and I don't think that the majority of it was timed. There was one piece I believe was. The other took the WIAT about two years ago and I don't believe that was timed at all.

Study Strategies for Accelerated Learners