- The 154 is the TExES English as a Second Language Supplemental exam, added to an approved Texas teaching certificate.
- It has 80 selected-response questions across a 4-hour-45-minute testing window, costs $116, and requires a scaled score of 240.
- ESL Instruction and Assessment makes up 45% of the exam - the single largest domain.
- Registrations last 170 days; candidates get five attempts total, with a 30-day wait between tries.
What Is A 154, Exactly?
"154" refers to the TExES English as a Second Language Supplemental (154) examination, one of the certification tests governed by the Texas Education Agency (TEA) and the State Board for Educator Certification (SBEC). It is administered on computer by Pearson's Evaluation Systems group at approved testing centers across Texas and beyond.
Unlike a standalone teaching certificate, the 154 is a supplemental credential. That means it cannot be earned on its own - a candidate must already hold, or be in the process of earning, an approved Texas base certificate (such as an EC-6, 4-8, or secondary content-area certificate). Passing the 154 adds an ESL endorsement to that existing certificate, authorizing the holder to teach English language learners within their certified grade levels and subjects.
If you're just starting to research this credential, our companion piece on what the 154 certification actually authorizes walks through the base-certificate relationship in more detail, and the full 154 certification overview covers the broader certification pathway.
Exam Format and Registration Mechanics
The 154 is a computer-administered test made up of 80 selected-response questions. Candidates are given 4 hours and 45 minutes of actual testing time inside a five-hour total appointment window, which allows for check-in, tutorials, and breaks. Some administrations may include unscored field-test items mixed in with the scored questions, so every question should be treated as if it counts.
Here's the core registration and scoring data every candidate should know before scheduling:
| Detail | Specification |
|---|---|
| Question count | 80 selected-response items |
| Testing time | 4 hours 45 minutes (5-hour appointment) |
| Exam fee | $116 USD |
| Passing score | 240 (scaled score) |
| Registration validity | 170 days |
| Attempt limit | 5 attempts (30-day wait between attempts) |
Because attempts are capped at five, with a mandatory 30-day gap between each try, treating your first sitting as your best shot matters. Candidates who exhaust the five-attempt limit need a TEA test-limit waiver to try again, which adds administrative delay to an already time-sensitive certification path. For a deeper breakdown of what that $116 fee covers and how it compares to other certification costs, see the full 154 certification cost breakdown. If you want the passing-score math spelled out in plain terms, this guide to the 154 passing score covers exactly what 240 means in practice.
Key Takeaway
Register with your 170-day window in mind - build your study plan backward from your test date rather than letting the clock quietly run out on your registration.
The Three Domains You'll Be Tested On
Every one of the 80 questions on the 154 maps to one of three content domains. Understanding how these domains are weighted is arguably more useful than any generic study advice, because it tells you exactly where to spend your limited prep time.
Domain 1: Language Concepts and Language Acquisition (25%)
Covers the linguistic foundations of second-language learning - phonology, morphology, syntax, semantics, and pragmatics - along with theories of first- and second-language acquisition.
- Stages of second-language acquisition and interlanguage development
- Factors affecting acquisition: age, motivation, native-language transfer
- Basic linguistic terminology applied to English learners
Domain 2: ESL Instruction and Assessment (45%)
This is the largest domain by far, nearly half the exam, and focuses on how ESL teachers actually plan, deliver, and evaluate instruction for English language learners.
- Selecting and scaffolding instructional strategies by proficiency level
- Integrating listening, speaking, reading, and writing instruction
- Interpreting formal and informal assessment data to guide instruction
- Aligning ESL instruction with content-area learning objectives
Domain 3: Foundations of ESL Education, Cultural Awareness, and Family and Community Involvement (30%)
Addresses the legal, cultural, and programmatic context surrounding ESL education in Texas schools.
- Program models (bilingual, ESL pull-out, content-based, etc.)
- Legal foundations and rights of English language learners
- Culturally responsive practices and family/community partnerships
Because Domain 2 alone accounts for nearly half the test, most of your review time should go toward instructional strategies and assessment interpretation rather than spreading effort evenly across all three areas. For a section-by-section breakdown with sample question types, see the complete guide to all three 154 exam domains.
Who Actually Needs This Certification
The 154 is relevant to a fairly specific slice of the Texas education workforce: certified or certification-track teachers who want to add ESL authorization to their existing credential. This typically includes:
- Elementary generalists (EC-6) seeking to teach in bilingual or ESL program classrooms
- Secondary content-area teachers who serve English language learners within their subject
- Teacher candidates completing an educator preparation program with an ESL specialization
- Currently certified teachers whose districts are asking for ESL-endorsed staff to meet program-model requirements
Because ESL populations continue to grow across Texas districts, schools frequently prioritize hiring or reassigning teachers who already hold the ESL supplemental endorsement. If you're weighing whether pursuing this path fits your career goals, this ROI analysis of the 154 certification and the 154 salary guide both dig into how the endorsement affects hiring and compensation conversations. For a list of the eligibility prerequisites tied to base certificates, check the full 154 requirements breakdown.
Planning a Study Timeline Around the Domains
Generic study techniques only help if they're anchored to what's actually on the test. Because Domain 2 (ESL Instruction and Assessment) makes up 45% of the 154, it deserves the largest block of dedicated review time, followed by Domain 3, then Domain 1.
Domain 1 Foundations
- Review core linguistic terminology and acquisition-stage models
- Take notes on how native-language transfer affects English development
Domain 2 Deep Dive
- Study scaffolding strategies for each proficiency level
- Practice interpreting sample assessment data and language-proficiency scores
- Work through practice questions targeting instructional decision-making
Domain 3 and Review
- Study program models, legal foundations, and family engagement practices
- Take a full-length practice test and review missed items across all domains
This kind of domain-weighted schedule beats a generic weekly template because it puts your heaviest study load where the exam puts its heaviest question load. For a more detailed week-by-week walkthrough, see the full 154 study guide for passing on your first attempt. Running realistic timed practice sessions on 154 Exam Prep's practice test platform is one of the more direct ways to gauge readiness before test day, since it mirrors the selected-response format you'll face at the testing center.
154 vs. the Upcoming 254
Texas is transitioning its ESL Supplemental exam. The current 154 remains available through August 31, 2028, after which the new 254 exam launches on September 1, 2028. Importantly, qualifying 154 scores can still be used for certification recommendations through August 31, 2029 - a one-year grace window after the exam itself retires.
For anyone currently weighing whether to test now under the 154 or wait, this timeline matters: there's no advantage to delaying if you're already eligible, since the 154 syllabus and format are well documented and stable through 2028. Candidates further from certification-readiness should watch for updated guidance as the 254 rollout approaches. See the 154 exam dates and testing-window guide for scheduling specifics tied to this transition period.
Key Takeaway
If you're eligible to test now, there's little reason to wait for the 254 - the 154 stays valid for scoring purposes through August 31, 2029.
What Happens After You Pass
A passing scaled score of 240 or higher on the 154 doesn't create a new certificate - it adds the ESL supplemental endorsement to your existing (or pending) Texas base certificate. Once combined, that certificate follows the standard Texas classroom-teacher renewal cycle: it's valid for five years and requires 150 CPE hours for renewal, same as any other standard certificate.
Practically, this means the 154 is a one-time hurdle rather than a recurring test. Once passed and the endorsement is added, your ongoing obligation shifts to the same continuing-education requirements that apply to your base certificate - no separate ESL-specific renewal exam is required.
Before you get to that point, though, it helps to have realistic expectations about difficulty and pass outcomes. This difficulty guide for the 154 exam and this look at what the 154 pass-rate data shows can help calibrate how much preparation time to budget. For a compact, last-minute review of the must-know facts covered here, bookmark the one-page 154 cheat sheet.
Frequently Asked Questions
No. The 154 is a supplemental exam that adds an ESL endorsement to an approved Texas base teaching certificate - it cannot be held on its own.
The exam contains 80 selected-response questions, with 4 hours 45 minutes of testing time inside a 5-hour appointment. Some questions may be unscored field-test items.
You need a scaled score of 240. The exam fee is $116, and registrations remain valid for 170 days from the date you sign up.
Domain 2, ESL Instruction and Assessment, makes up 45% of the exam - nearly half of all questions - making it the highest-priority content area for review.
You can retake the exam after a mandatory 30-day wait. Candidates get up to five total attempts; beyond that, a TEA test-limit waiver is required to test again.
The 154 exam itself is offered through August 31, 2028, when it's replaced by the 254. Qualifying 154 scores can still be used for certification recommendations through August 31, 2029.