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The Texas Geometry Credit by Exam (CBE): A Complete Guide for Accelerating Students (2026)

The Texas Geometry Credit by Exam (CBE): A Complete Guide for Accelerating Students (2026)

April 09, 2026 7 views

Geometry is one of the most common subjects Texas students test out of through Credit by Exam (CBE) — especially middle-schoolers who are accelerating early. In the standard Texas math sequence, Geometry comes after Algebra 1 and before Algebra 2. A student who finishes Algebra 1 in 7th or 8th grade often uses a Geometry CBE to keep moving, opening up a path that can reach Pre-Calculus and AP Calculus before senior year.

This guide explains how the Geometry CBE works, what the Geometry TEKS (§111.41) actually cover, which topics students tend to underestimate, and how to prepare efficiently. Every detail here is general guidance — always confirm current specifics with your campus counselor and the testing provider.

Where Geometry fits in the acceleration ladder

The typical Texas high-school math progression looks like this:

  1. Algebra 1 (TEKS §111.39)
  2. Geometry (TEKS §111.41)
  3. Algebra 2 (TEKS §111.40)
  4. Pre-Calculus (TEKS §111.42)

Because Geometry sits between the two algebra courses, accelerating students frequently take it out of strict sequence — for example, finishing Algebra 1 early and earning Geometry credit by exam over a summer so they enter high school ready for Algebra 2. It is a very common acceleration use case for strong middle-school math students.

How the Geometry CBE is administered

Like other Texas CBE subjects, the Geometry exam is generally:

FeatureDetail
FormatMultiple-choice
DeliveryOnline, proctored (for example, Proctorio at home)
Time limit3 hours (180 minutes)
Number of questionsVaries by exam — typically around 50 multiple-choice questions. Verify current specs with UT High School (UTHS) or your campus.
Passing — acceleration80% for credit by exam without prior instruction (TEC §28.023(c))
Passing — recovery70% for credit by exam with prior instruction (TAC §74.24)

The two passing thresholds reflect two different situations. The 80% bar applies when a student is accelerating — earning credit for a course they never formally took. The 70% bar applies to credit recovery, when a student had prior instruction. Most early accelerators are on the 80% pathway. Calculator policy and formula sheets vary by subject, so verify those with UTHS as well.

What the Geometry CBE tests (TEKS §111.41)

The exam mirrors the Geometry TEKS, organized into two semesters of knowledge-and-skills groupings:

Semester ASemester B
  • Coordinate geometry
  • Logical argumentation
  • Geometric patterns, conjectures & constructions
  • Proofs & congruence
  • Dilations & similar triangles
  • Similarity theorems
  • Trig ratios & special right triangles
  • Transformations & symmetry
  • Cross sections & dimensional analysis
  • Area & volume
  • Circles
  • Probability

A full Geometry CBE generally spans both semesters. If your campus awards credit one semester at a time, confirm whether you are testing for Semester A, Semester B, or the full year.

Topics students commonly underestimate

Geometry rewards visual reasoning, but a few areas reliably trip up students who only skim them. Build extra practice time around these:

  • Proofs — two-column and coordinate. Many students are comfortable computing with formulas but freeze when asked to justify a statement step by step or to prove a relationship using coordinates. Logical argumentation and proofs & congruence are core Semester A groupings, and they show up in more than one form.
  • Special right triangles and trig ratios. The 30-60-90 and 45-45-90 triangles, plus the basic right-triangle trig ratios (SOHCAHTOA — sine, cosine, tangent), appear repeatedly. Knowing the side-length patterns cold saves time and prevents avoidable mistakes.
  • 3D volume and cross sections. Area and volume, cross sections, and dimensional analysis ask students to reason about three-dimensional figures and how a plane slices through them. These problems are easy to underprepare for because they feel less algebraic than the rest of the course.

A simple way to prepare: diagnose → focus → confirm

  1. Diagnose. Take a full-length practice exam first to see your real starting point across all of the §111.41 groupings. A diagnostic almost always surprises students — strengths and gaps are rarely where they expect.
  2. Focus. Spend your study time on the specific TEKS categories where you scored lowest, rather than re-reviewing what you already know. For most students that means concentrated work on proofs, special right triangles and trig ratios, and 3D volume/cross sections.
  3. Confirm. Re-test with another full-length mock exam to confirm your weak areas have come up before you sit for the real CBE. Consistent strong mock-exam performance is a good signal you are ready, and it makes for more effective preparation than open-ended review.

How Texas CBE™ helps

Texas CBE™ is an independent practice platform built around exactly this diagnose-focus-confirm loop:

  • TEKS-aligned Geometry practice questions mapped to the §111.41 categories, with step-by-step explanations.
  • Full-length mock exams modeled after the official CBE format, with per-TEKS-category scoring so you can see precisely which groupings need work.
  • Smart question rotation so repeated practice keeps surfacing fresh problems.
  • A 5-language platform (English, Korean, Spanish, Vietnamese, Chinese) for families who prefer to review explanations in another language.
  • Free sample questions for every subject — no signup required.

Full Geometry course access is $29.99 for 6 months, currently $23.99 with an automatic 20% launch discount — typically less than a single CBE retake fee.

This post is general guidance based on publicly available information. Exam format, question counts, passing thresholds, fees, and scheduling are set by the testing provider (such as UT High School) and individual Texas school districts, and change over time. Texas CBE™ is an independent practice platform and is not affiliated with, endorsed by, or sponsored by the Texas Education Agency, UT High School, the College Board, or any school district. Always verify current requirements with your campus counselor and official sources before registering for any exam.

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