The Woodcock-Johnson Tests of Achievement: Third Edition (WJ-III) is a standardized measurement of an individual's current levels of academic knowledge. The WJ-III measures multiple areas achievement, including reading, mathematics, written language, listening comprehension and oral language. While administering the subtests, the WJ-III allows the examiner to quickly calculate an individual's age and grade levels using the raw scores. Overall, scoring the protocols is an easy task to accomplish, as the WJ-III scores are calculated with Compuscore software, which is included in the assessment kit.