Participants in this workshop will learn about the challenges in evaluating English learners (K–12) and current methods typically employed with diverse populations, including modified or adapted testing, use of a translator or interpreter, nonverbal assessment, and native language assessment. Such approaches have met with varying degrees of success. Via lecture, demonstration, and case studies, this workshop introduces an alternative, research-based approach (Culture-Language Interpretive Matrix) that allows systematic examination of the validity of test results. By being able to evaluate the influence of cultural and linguistic variables on test performance, participants will be able to establish validity and offer defensible, equitable interpretations.