This is the preliminary benchmarking document released last fall. There should be revisions coming out shortly, based on this past spring's round of testing:

http://www.smarterbalanced.org/news...prove-achievement-level-recommendations/

ETA: Looks your DS scored at or above the threshold for 6th grade level 4 (advanced/top tier in most state-wide testing systems).

Updated link: http://www.smarterbalanced.org/assessments/scores/

Last edited by aeh; 08/11/16 10:11 AM. Reason: revising link
...pronounced like the long vowel and first letter of the alphabet...