- Domain II, Patterns and Algebra, is 33% of the exam - build your entire study plan around it first.
- The exam has 100 selected-response questions in a 4 hour 45 minute testing block, plus a 15-minute tutorial.
- Passing score is 240 on a 100-300 scale; you must bring your own approved graphing calculator.
- Statewide pass rates were 61% on first attempt and 67% best attempt for 2024-2025 (N=1,024).
What the TExES 235 Actually Tests
The TExES Mathematics 7-12 (235) is the certification exam the Texas Education Agency (TEA) uses, through the State Board for Educator Certification, to determine whether a candidate is ready to teach secondary mathematics in Texas public schools. It is developed and administered by Pearson (Evaluation Systems) as a computer-administered test delivered at Pearson VUE centers across Texas and nationwide, and it is scheduled by appointment year round rather than in fixed testing windows.
Content is built on the 2021 Mathematics 7-12 exam framework, which organizes 21 competencies into six domains aligned with Mathematics 7-12 Standards I-VIII and the Texas Essential Knowledge and Skills (TEKS). If you want a full breakdown of every competency inside those six domains, the TExES 235 Exam Domains 2026 guide walks through all of them individually.
Registration, Fees, and Appointment Logistics
Before you can register, you need approval to test - either through an educator preparation program (EPP) or directly through TEA. If you're unsure whether you meet this bar, the TExES 235 Requirements guide covers eligibility and prerequisites in detail. Once approved, registration stays valid for 170 days, and if you withdraw before testing, you get the exam fee refunded minus a $25 processing charge.
The exam fee is $116, with no separate member or non-member pricing tiers - everyone pays the same amount. A full cost picture, including what happens after you pass, is broken down in the TExES 235 Certification Cost guide.
Your total appointment time is 5 hours: 15 minutes for the CAT tutorial and compliance agreement, followed by 4 hours and 45 minutes of actual testing time. That's roughly 2 minutes and 50 seconons per question if you spread the time evenly - but because Domain II problems (calculus, functions, sequences) tend to take longer than Domain I number-sense items, budget more time for the algebra-heavy stretch of the test.
Scores post at 10:00 p.m. Central on the published score report date, not immediately after you finish testing. For exact scheduling windows and deadlines tied to your certification timeline, see the TExES 235 Exam Dates guide.
Key Takeaway
Register only after confirming EPP or TEA approval, and build your study calendar around the 170-day registration validity window rather than an arbitrary personal deadline.
Domain-by-Domain Breakdown
Every hour you spend studying should be weighted against how much of the exam each domain represents. Here's how the six domains stack up:
| Domain | Weight | Core Focus |
|---|---|---|
| I. Number Concepts | 14% | Number theory, real/complex number systems, operations sense |
| II. Patterns and Algebra | 33% | Functions, sequences, polynomial/rational/exponential/log functions, calculus |
| III. Geometry and Measurement | 19% | Euclidean geometry, coordinate geometry, measurement, transformations |
| IV. Probability and Statistics | 14% | Data analysis, probability models, statistical inference |
| V. Mathematical Processes and Perspectives | 10% | Reasoning, proof, connections, mathematical communication |
| VI. Mathematical Learning, Instruction and Assessment | 10% | Pedagogy, student misconceptions, assessment design |
Domain II: Patterns and Algebra (33%)
This single domain is worth roughly a third of your total score - nearly as much as Domains I and IV combined. It spans sequences and series and mathematical induction, attributes of functions and relations, linear and quadratic functions, polynomial, rational, radical, absolute value, and piecewise functions, exponential and logarithmic functions, trigonometric and circular functions, and differential and integral calculus.
- Master transformations of parent functions before memorizing individual formulas
- Practice translating between algebraic, graphical, numerical, and verbal representations
- Review derivative and integral rules - calculus shows up here, not in a separate domain
Domain III: Geometry and Measurement (19%)
The second-heaviest domain covers coordinate geometry, transformations, congruence and similarity, measurement systems, and geometric proof. Candidates who skip formal proof practice often underperform here even when they know the formulas.
- Practice coordinate proofs, not just synthetic (diagram-only) proofs
- Know unit conversions and dimensional analysis cold - measurement questions are unforgiving on careless errors
For a deeper dive into how the remaining domains - Number Concepts, Probability and Statistics, Mathematical Processes and Perspectives, and Mathematical Learning, Instruction and Assessment - interact and where overlap tends to appear on the actual test, the TExES 235 Exam Domains 2026 guide is the more detailed companion resource to this study guide.
Calculator Rules You Cannot Ignore
The TExES 235 is one of only three TExES exams where candidates must bring their own graphing calculator - Pearson does not provide one, and you cannot use the on-screen calculator that some other computer-administered tests include. The only approved models are the Texas Instruments TI-73, TI-83, TI-84, and the Nspire handheld fitted with the TI-84 keypad. If you use an Nspire, the TI-84 keypad may not be removed at any point during the exam.
You will also have access to an on-screen Definitions and Formulas page throughout the test. This does not replace conceptual understanding - it typically lists standard formulas without explaining when or how to apply them, so familiarity with the reference sheet's layout before test day saves real time during the exam.
A Study Timeline Built Around Domain Weight
Generic weekly study templates rarely account for the fact that one TExES 235 domain is worth more than two others combined. Instead of splitting your prep evenly across six domains, allocate time proportionally to exam weight, and sequence the heaviest, most conceptually layered domain first so you have the most review passes before test day.
Domain II: Patterns and Algebra
- Functions, sequences and induction, polynomial/rational families
- Exponential, logarithmic, trig/circular functions
- Differential and integral calculus fundamentals
Domain III: Geometry and Measurement
- Coordinate and synthetic proofs
- Transformations, congruence, similarity, measurement systems
Domains I and IV: Number Concepts, Probability and Statistics
- Number systems and operations
- Probability models and statistical reasoning
Domains V and VI: Processes, Perspectives, Learning and Instruction
- Mathematical reasoning and communication
- Pedagogy, misconceptions, assessment design
- Full-length timed practice under 4 hour 45 minute conditions
For a realistic gauge of how much study time this actually requires, review the How Hard Is the TExES 235 Exam? guide, which looks at difficulty relative to the reported pass-rate data rather than anecdotal impressions.
Common First-Attempt Mistakes
Most candidates who don't clear 240 on their first try don't fail because they lack math ability - they fail because their prep didn't match the exam's actual weighting or format.
- Treating all domains equally. Spending equal hours on Domain V (10%) and Domain II (33%) leaves the highest-value content under-practiced.
- Ignoring the pedagogy domain. Domains V and VI together make up a fifth of the exam; candidates with strong math backgrounds sometimes skip pedagogy review entirely.
- Not rehearsing with the approved calculator. Practicing on a phone app or unapproved model means relearning your device's interface on test day.
- Underestimating pacing. With 100 questions in 4 hours 45 minutes, losing 10+ minutes early to a few stubborn calculus items compresses the rest of the exam.
- Skipping full-length timed runs. Practice sets without a timer don't replicate the fatigue of a nearly five-hour appointment.
You can benchmark your readiness against realistic timed conditions using full-length practice exams on the main TExES 235 practice test platform before committing to a registration date.
If You Don't Pass the First Time
Statewide data for the 2024-2025 program year shows a 61% first-attempt pass rate and a 67% best-attempt pass rate (N=1,024) - meaning a meaningful share of candidates need more than one sitting to clear 240. That's not a reason to panic; it's a reason to plan for the possibility.
Candidates get five attempts total, with a mandatory 30-day wait between each attempt. If you exhaust all five without passing, you need a TEA test-limit waiver to test again. For the full statistical picture, including how pass rates compare across attempt numbers, see the TExES 235 Pass Rate 2026 guide. And if you want the exact scoring mechanics behind that 240 threshold, the TExES 235 Passing Score guide explains how the 100-300 scale works.
Key Takeaway
If your first attempt falls short, use your official score report to identify which domains dragged your score down, then rebuild your next 30-day study block around those specific competencies rather than restarting from scratch.
Passing the TExES 235 is only one piece of first-time Texas certification - most candidates also need to pass the PPR EC-12 (160) pedagogy exam before receiving a classroom certificate. Once certified, standard Texas certificates last five years and renew through ECOS with 150 CPE clock hours for classroom teachers. If you're still weighing whether this credential fits your career plans, the Is the TExES 235 Certification Worth It? guide and the TExES 235 Salary Guide look at the long-term picture, while TExES 235 Jobs covers who actually hires candidates holding this certification.
FAQ
The exam has 100 selected-response questions, some unscored field-test items, within a 4 hour 45 minute testing period. Total appointment time, including the tutorial, is 5 hours.
You need a scaled score of 240 on a 100-300 scale. See the TExES 235 Passing Score guide for how raw performance converts to the scaled score.
Domain II, Patterns and Algebra, at 33% of the exam, carries far more weight than any other domain and covers functions, sequences, and calculus - prioritize it first and give it the most review time.
No. Only the TI-73, TI-83, TI-84, and the Nspire with a TI-84 keypad attached (and not removed during testing) are approved. This is one of only three TExES exams requiring candidates to bring their own calculator.
You can retake the exam after a mandatory 30-day wait, up to five total attempts before needing a TEA test-limit waiver. Statewide data shows a 61% first-attempt and 67% best-attempt pass rate for 2024-2025.