With a goal to increase the number of certified ESL teachers who will effectively deliver instruction to English language learners, this training will provide participants with the research foundation and content addressed in the domains and competencies of the ESL Supplemental (154) TExES examination. As part of developing an understanding of second-language acquisition and the challenges facing the English language learner, best practices for effective instruction will be shared. Explanations of sample exam questions will be analyzed as well as test-taking tips and techniques. The supplemental test is one part of a two-test requirement for bilingual certification.