I also have dibles scores for him.
Receiving composite if 206 in the fall.(did not give a composite in winter)
His 'map' testing results in reading were between 96-99%, in the fall. They dropped in the winter to 87-94%.
His teacher noted he started out strong but has not made much progress.
Regarding DIBELS: In the beginning of second grade, DIBELS testing consists of a one-minute reading fluency probe (proxy for reading comprehension) and a one-minute nonsense word reading probe (proxy for reading decoding). IOW, it's timed. His fall composite is above the mid-second grade benchmark, but below the end-second grade benchmark, which I would say is fairly consistent with his WJIII results. Another thought to keep in mind is that DIBELS, like the RPI, was designed mainly to screen for risk of academic failure, not to differentiate high performers. You also cannot really compare composite scores across grade levels, as it was not designed to be used that way. (The scaling is not continuous across grade levels.)
His winter MAP results are in the same percentile range as his WJIII results as well.
So, overall, all of his achievement testing is fairly consistent, both group and individual, even the cbm probe (DIBELS).
