The purpose of the NMSBA technical report is to provide users and other interested parties with a general overview of and technical characteristics of the 2006 NMSBA. The 2006 technical report contains the following information: (1) Test development; (2) Scoring procedures; (3) Calibration, scaling, and equating procedures; (4) Standard setting; (5) Reliability; and (6) Validity. Six appendices provide additional statistical information for the spring 2006 administration: (1) Number of items and points addressing each of the New Mexico Standards and Benchmarks: (2) Raw score to scale score conversion tables and standard errors of measurement; (3) Raw and scale score frequency distributions; (4) Performance level percentages by subgroups; (5) Inter-rater reliability information; and (6) Classical test theory item statistics and item response theory model parameter estimates with fit indices. (Contains 5 figures and 185 tables.) [Prepared by Harcourt Assessment, Inc for the New Mexico Public Education Department.]