What is T-TESS, and how are Texas teachers scored?
What is T-TESS, and how are Texas teachers scored?
August 2, 2026 • ~7 min read
Short answer: T-TESS — the Texas Teacher Evaluation and Support System — is the state's model appraisal system, built on a rubric of four domains and 16 dimensions: Planning, Instruction, Learning Environment, and Professional Practices and Responsibilities. Each dimension is scored on a five-level scale — Distinguished, Accomplished, Proficient, Developing, and Improvement Needed — where Proficient is the expected level for a solid teacher, not a low grade. Appraisal requires at least one formal 45-minute observation inside a year-long cycle of goal-setting, conferences, and a summative report. Two features trip up evaluators most, and both live in that five-level scale.
What T-TESS actually is
T-TESS is Texas's statewide teacher-appraisal model, governed by the Commissioner's Rules in Texas Administrative Code Chapter 150. Districts may adopt it or a locally developed alternative, but T-TESS is the default the large majority of Texas districts use — which is why "how is T-TESS scored" is a question hundreds of thousands of Texas educators have a direct stake in.
It's designed as a growth process, not just a rating event: goal-setting, self-assessment, and coaching conversations are built into the cycle. But at its core is a rubric an appraiser scores, and that rubric has a specific shape worth knowing cold.
The four domains and 16 dimensions
The T-TESS rubric organizes teaching into four domains and sixteen dimensions:
Domain 1 — Planning: Standards and Alignment (1.1), Data and Assessment (1.2), Knowledge of Students (1.3), Activities (1.4).
Domain 2 — Instruction: Achieving Expectations (2.1), Content Knowledge and Expertise (2.2), Communication (2.3), Differentiation (2.4), Monitor and Adjust (2.5).
Domain 3 — Learning Environment: Classroom Environment, Routines and Procedures (3.1), Managing Student Behavior (3.2), Classroom Culture (3.3).
Domain 4 — Professional Practices and Responsibilities: Professional Demeanor and Ethics (4.1), Goal Setting (4.2), Professional Development (4.3), School Community Involvement (4.4).
Not all four are scored the same way, and that's the first thing evaluators miss. A 45-minute observation lands squarely in Instruction and Learning Environment — that's what you watch happen in the room. Evidence for Planning and Professional Practices and Responsibilities is gathered across the year, through pre-conferences, lesson plans and artifacts, goal-setting, and other sources — not from the live observation alone. Trying to score all four domains off a single walkthrough is a category error the rubric doesn't intend.
The five-level scale — and the two things it gets used wrong on
Each dimension is rated on five levels: Distinguished, Accomplished, Proficient, Developing, and Improvement Needed. Two misuses are almost universal.
The first: treating Proficient as a disappointment. On the T-TESS scale, Proficient is the level of a strong, effective teacher doing the job well — it is the expected performance, not a near-miss. Evaluators who read "Proficient" as a B-minus, and reflexively push toward Accomplished to be "encouraging," inflate the scale until its bands stop meaning anything. A room full of solid, well-run instruction is a Proficient room, and saying so is not a criticism.
The second: misunderstanding what the top two levels ask for. The move from Proficient up to Accomplished and Distinguished is not "the same teaching, but better." The T-TESS rubric's higher ratings shift emphasis toward students taking ownership — monitoring their own learning, driving discussion, self-directing — rather than the teacher doing more. In other words, the ceiling isn't a more impressive teacher performance; it's evidence that students have taken the wheel. (Confirm the exact descriptor language against the official rubric before you calibrate a team, because that student-ownership distinction is where scorers most often disagree.)
The observation and appraisal cycle Texas requires
Under Chapter 150, the requirements are specific:
At least one formal classroom observation per appraisal, a minimum of 45 minutes. Additional walk-throughs and observations are at the appraiser's discretion, and the 45 minutes may be split into shorter segments only by written mutual consent.
Appraisal each school year, with a narrow exception allowing high-performing teachers to be appraised less often by written agreement.
A defined cycle: a goal-setting plan submitted within the first six weeks; a pre-conference before an announced observation; a post-conference within 10 working days of the observation; an end-of-year conference no later than 15 working days before the last day of instruction; and a written summative report within 10 working days of that conference.
Those timelines — 10 working days to the post-conference, 10 more to the summative — are where the workload actually bites. The observation is bounded; the writing that has to follow each one, on a clock, for every teacher, is not.
What the observed domains look like in the room
T-TESS is evidence-based: a rating rests on what you observed against the dimension language, not an impression. In Instruction, "Monitor and Adjust" is the teacher gathering evidence of student understanding and changing course on it — not a scripted plan delivered regardless. "Achieving Expectations" shows in whether students are held to and reach the day's goal. In Learning Environment, "Managing Student Behavior" and "Classroom Culture" are visible in routines, transitions, and how students treat each other and the work. Your notes should quote what you saw against the dimension, so the score survives a post-conference.
Common T-TESS scoring mistakes
A few recur constantly. Reading Proficient as a bad grade and inflating upward. Scoring Accomplished/Distinguished for a polished teacher performance when those levels ask for student ownership. Scoring Planning or Professional Practices from the observation instead of from year-long evidence. And rating from impression rather than dimension evidence — the fastest way to lose a rating when a teacher responds to the summary.
Texas in context
Two structural features set T-TESS apart from the frameworks used in neighboring states. First, the five-level scale with a genuine student-ownership ceiling — most state rubrics run four levels, and even the five-level ones don't all define the top the way T-TESS does, so an evaluator or a tool built elsewhere has to recalibrate, not relabel. Second, the split between observed and year-gathered domains — Instruction and Learning Environment in the room, Planning and Professional Practices across the year — which means a defensible T-TESS appraisal is assembled from several evidence streams, not produced from one walkthrough. Add the growth-cycle design (goal-setting and self-assessment baked in), and T-TESS asks more of an appraiser than a single score.
What this means for you
If you appraise teachers in Texas on T-TESS, the job rewards precision: evidence mapped to the right dimension, scored honestly on a five-level scale you haven't inflated, with the observed and year-gathered domains kept straight. The burden isn't the 45 minutes in the room — that's the part that helps a teacher grow. It's the turnaround: a post-conference write-up within 10 working days, a summative within 10 more, assembled from multiple evidence streams, for every teacher you appraise. Let it slip and the feedback loses its coaching value and its defensibility at once. A reasonable next step is to audit your own turnaround honestly — how many minutes each T-TESS write-up actually takes you, times your teachers, times the cycle. Most Texas appraisers are surprised by the total.
How EvalScribe fits
EvalScribe supports the Texas T-TESS system: it takes the observation evidence you already gathered and drafts a T-TESS-aligned write-up against the dimension language, so the post-conference and summative deadlines stop eating your evenings. It doesn't observe, and it doesn't assign the rating — you make every call, the five-level judgment and the student-ownership distinction stay yours, and you edit and sign. What changes is the time between the observation and the finished, defensible document. To put a number on that turnaround, the district capacity calculator runs the arithmetic for your campus or district. Adoption is simple — no long training, no consultant — but appraising well on T-TESS is not, and no tool should pretend otherwise.
Frequently asked questions
What are the four domains of T-TESS? Planning, Instruction, Learning Environment, and Professional Practices and Responsibilities — 16 dimensions in all. See the T-TESS rubric.
What are the T-TESS performance levels? Distinguished, Accomplished, Proficient, Developing, and Improvement Needed. Proficient is the expected level for a strong teacher; the top two levels emphasize student ownership of learning.
How many observations does T-TESS require? At least one formal classroom observation of a minimum of 45 minutes per appraisal, plus optional walk-throughs, per Texas Administrative Code Chapter 150.
Is every T-TESS domain scored from the classroom observation? No. Instruction and Learning Environment are observed in the room; Planning and Professional Practices and Responsibilities are evidenced across the year through conferences, artifacts, and goal-setting.
T-TESS gives Texas appraisers a precise, five-level instrument with a student-centered ceiling. The question it leaves on every campus is how much of the week the write-up after the observation is allowed to take.
About the author
Anthony Neely is the Founder of EvalScribe, a veteran educator, an AI integration consultant for teaching & learning, researcher, & author.
