OSAT ESL (OK177) study materials
OSAT ESL (OK177) study resources

OSAT ESL (OK177) study plan

OSAT ESL (OK177) · Give each week a clear focus.

8 weeks · About 6 hours per week

Week 1

Language and Language Acquisition

  • Distinguish the major first- and second-language acquisition theories (behaviorist, innatist, cognitive/developmental, sociocultural, interactionist) by writing a one-paragraph summary of each from memory

  • Map Krashen's five hypotheses to concrete classroom examples and identify which hypothesis each example illustrates

  • Explain the difference between BICS and CALP and predict how each develops across grade bands

  • Define key terms such as interlanguage, fossilization, comprehensible input, affective filter, and transfer, and use each correctly in a sentence

Your checkpoint

A two-page comparison table of at least six language-acquisition theories with theorist, core claim, classroom implication, and one critique each

Week 2

Language and Language Acquisition & Foundations of ESL/Bilingual Education

  • Trace the historical sequence of ESL/bilingual program models in U.S. education and state the legal reasoning behind Lau v. Nichols and Castañeda v. Pickard

  • Compare transitional bilingual, developmental bilingual, dual-language immersion, sheltered English immersion, and ESL pull-out on goals, language use, and typical duration

  • Identify which program model fits a described student profile and justify the choice in two sentences

  • Explain the difference between language proficiency and academic achievement when interpreting assessment data

Your checkpoint

A decision guide matching five student scenarios to the most appropriate program model, with a one-sentence legal or pedagogical rationale for each

Week 3

Foundations of ESL/Bilingual Education & Instructional Planning and Assessment

  • Write measurable language and content objectives for a single lesson using a published proficiency-level framework, ensuring each objective names an observable verb

  • Sequence a lesson using the SIOP components or the Echevarria sheltered-instruction model and label each component in your plan

  • Design three formative checks that reveal whether students met a language objective, not just a content objective

  • Differentiate one task at three proficiency levels without changing the underlying content standard

Your checkpoint

A complete 45-minute sheltered lesson plan with paired content and language objectives, labeled components, and three formative checks

Week 4

Instructional Planning and Assessment

  • Classify a set of assessment items as formative or summative, norm-referenced or criterion-referenced, and formative-purpose or accountability-purpose

  • Evaluate the fairness of an assessment for ELs by identifying linguistic demand unrelated to the construct being measured

  • Apply the concepts of validity, reliability, and bias to two sample assessment descriptions

  • Interpret a sample score report and explain what it does and does not tell you about a student's English proficiency

Your checkpoint

An assessment critique of one sample test description, identifying at least four sources of construct-irrelevant difficulty and proposing a specific accommodation for each

Week 5

Listening and Speaking

  • Distinguish academic listening demands from social listening demands and list the sub-skills each requires

  • Design a listening task with a pre-listening, during-listening, and post-listening stage, specifying the purpose of each stage

  • Plan scaffolding for speaking output that moves students from modeled to guided to independent production

  • Describe how to reduce the affective filter and increase wait time in a speaking activity, with two concrete teacher moves

Your checkpoint

A listening-and-speaking lesson segment with a full three-stage listening cycle and a scaffolded speaking progression, plus a rubric for oral production at two proficiency levels

Week 6

Reading and Writing

  • Explain how phonological awareness, phonics, fluency, vocabulary, and comprehension interact for an EL reader and where transfer from L1 helps or hinders

  • Select and justify three vocabulary instructional strategies that build depth rather than breadth

  • Design a writing scaffold that supports a student at an intermediate proficiency level through planning, drafting, and revising

  • Identify the difference between a spelling error caused by L1 interference and one caused by developmental spelling stage

Your checkpoint

A literacy lesson sequence for one short text that integrates vocabulary, comprehension strategy instruction, and a scaffolded writing response, with an error-analysis note on two sample student sentences

Week 7

Content-Area Instruction and Cultural Responsiveness

  • Adapt a content-area text so that the cognitive demand stays intact while the linguistic demand is reduced, and articulate what you changed and why

  • Design a cooperative learning structure that requires both content talk and language practice, and specify the language functions students must use

  • Apply culturally responsive teaching principles to a described classroom scenario by naming two specific instructional changes

  • Explain how to distinguish a learning disability from a normal stage of second-language acquisition when referring an EL for special education evaluation

Your checkpoint

A content-area lesson adaptation with a before-and-after text sample, a cooperative structure with assigned language functions, and a written rationale citing at least three culturally responsive principles

Week 8

Language and Language Acquisition & Foundations of ESL/Bilingual Education & Instructional Planning and Assessment & Listening and Speaking & Reading and Writing & Content-Area Instruction and Cultural Responsiveness

  • Complete a full-length timed practice test under exam conditions and record the score by domain

  • Review every missed item and write the underlying concept it tested, not just the correct answer

  • Re-teach your two weakest domains using your own notes and the comparison tables you built in weeks 1 through 7

  • Build a one-page quick-reference sheet of the facts, frameworks, and legal cases you are most likely to forget

Your checkpoint

A scored practice test with a domain-by-domain error log and a one-page quick-reference sheet

Milestones

Week 2: Can explain, without notes, the difference between BICS and CALP, name the five Krashen hypotheses, and match any described program model to its defining features

Week 4: Can write a paired content and language objective for an unfamiliar topic in under five minutes and identify at least three sources of construct-irrelevant difficulty in a sample assessment

Week 6: Can design a three-stage listening task and a scaffolded writing response for a given proficiency level without consulting reference materials

Week 8: Scores at or above your target on the timed practice test, with no domain below 70 percent and an error log showing each missed concept re-taught