This interactive session is designed for educational diagnosticians and speech-language pathologists who support emergent bilingual students during the special education evaluation process. Participants will examine the differences between language dominance and language proficiency and learn how to select and interpret relevant data sources. The session will focus on collaboration across evaluation teams. Practical strategies will be shared to ensure consistency in the language of assessment throughout the FIIE, to validate results when bilingual assessments are limited, and to use evaluation outcomes to guide decisions about the language of instruction and therapy.