Standard iii the esl teacher understands the processes of first and second language acquisition and uses this knowledge to promote students language development in english standard iv the esl teacher understands esl teaching methods and uses this knowledge to plan and implement effective developmentally appropriate esl instruction. Become an esl teacher with confidence unlike other teacher certification test preparation material our texes english as a second language esl study guide drills all the way down to the focus statement level providing detailed examples of the range type and level of content that appear on the test. And iii of the texes english as a second language esl supplemental 154 exam the guide will explain in context the significance of esl education in public schools in texas as well as the historical background across the united states and specifically define terminology within each competencys descriptive statements or components. Get a practice test with 50 questions for the esl supplemental 154 free and interactive everything you need to know to pass the texes english as a second language supplemental exam. Educators in texas who want to teach english as a second language must take and pass the texas examination of educator standards texes english as a second language supplemental esl 154 exam the exam assesses whether a teacher has the entry level knowledge to teach in their field