DS13 and DD13 have been taking MAP twice a year for many years. However, they only have experience with MAP 2-5 and MAP 6+ and scores from the 230's. DS has never dip below 99th percentile and DD usually scores around 99th. I may be wrong but I think a lot more depends on a student's speed rather than how high he scores. For example, DS usually finishes first because he mostly only needs about 30 minutes for the 51-53 questions on Math and the 41-42 questions on Reading. The exceptions were when he scored above 300 in Math; according to him, the problems became more complicated and time-consuming to answer so he needed about 45 minutes, putting him behind a few students. DD, on the other hand, is a bit on the slower side so she usually finishes with the middle third or slowest third. It usually takes her more than 45 minutes and sometimes even 60 minutes so there have been times when she needed a second day to finish her test. However, there are usually other kids in the same boat and she wasn't the last one, When DD was in elementary, she did sometimes complain about needing more time to finish the test because she had some harder questions than her classmates. I challenged her to work faster because she tends to go slower than she needs and over the years she has gotten quicker.
I think it is reasonable for your DD to need more time if her scores are a lot higher than her classmates because more difficult problems can take more time. However, it is concerning that she is the only one because that means either there are no other high scoring (95th or above) students and/or she is considerably slower than her classmates. I don't think she ssould opt out of testing on that basis because test taking skills are important in the current educational system. However, it is concerning that she feels a lot if stress at her young age. Perhaps speak to her and have her teacher speak to her as well.
