Texas CBE Exam Deadlines: Why There's No Statewide Date (And How to Find Yours)

If you've searched "Texas CBE deadline" hoping for a single date, here's the short version: there isn't one. There is no statewide CBE testing calendar. Every school district sets its own registration deadlines, testing windows, and rules for who can test when — which is exactly why so many parents end up calling a counselor in a panic three weeks before the semester starts.

This guide explains the actual legal structure behind CBE deadlines, shows you real examples from Texas districts so you know what to expect, and — most importantly — tells you the one deadline that matters more than any other: the one that decides whether your child's credit shows up in time for fall enrollment.

Why there's no single Texas CBE deadline

Credit by Examination in Texas is authorized by Texas Education Code §28.023, but the statute doesn't hand down a calendar — it hands the decision to the local school board. Each district's board of trustees approves and operates its own CBE program, which is why deadlines, fees, and eligibility rules genuinely differ from one ISD to the next, even between neighboring districts.

What the state does require is spelled out in 19 TAC §74.24(c)(1): every district must offer at least one testing opportunity per quarter — four per year — and must publicly announce the dates. So while there's no single date, there is a guaranteed rhythm. If your district's CBE page only lists one date a year, or says "ask your counselor," that's a sign the information you need is being under-published, not that the windows don't exist.

A student can only attempt a given exam once per window — and, separately, a maximum of two attempts total on the same high school course (see our passing scores and retake rules guide for the full attempt-limit rules).

What "four windows a year" actually looks like: a real example

Round Rock ISD publishes one of the more transparent CBE calendars, and it's a useful template for what to expect elsewhere:

Notice the pattern: the registration deadline lands about a month before the testing window even opens, and the exam itself has to be completed within roughly a month after that. Registering "whenever you get around to it" isn't really an option — by the time the window opens, the registration deadline has usually already passed.

Why the rules differ so much district to district

The state only mandates the four-windows-a-year minimum — it says nothing about who gets to use which window, how long registration takes, or which courses qualify when. Districts fill in those details very differently. A few real examples:

• Frisco ISD restricts full-year courses (like Algebra 1, Geometry, or Biology) to specific placement windows rather than all four — their own guidance states that mid-year acceleration for a full-year course generally isn't available.
• Pflugerville ISD limits its winter and early-spring windows to one-semester courses only, and to students in grades 6–12.
• Houston ISD reserves two of its four windows for grades 9–12 only — younger students testing out of a high school course have fewer windows to choose from.
• Katy ISD asks for registration 24 to 65 days before the test date, while Houston ISD's registration window can be as short as 5 days. Two neighboring-region districts, two completely different amounts of lead time.

None of this means a district is doing something wrong — the state genuinely leaves these choices to local boards. It does mean that "when's the CBE deadline" only has one right answer once you know which district, which grade, and which course.

The one deadline that matters more than the rest

Of the four windows, one carries outsized weight for most families: the summer window, before fall enrollment locks in. If a student is trying to test out of a course before the new school year starts — the single most common reason families use CBE — the summer window is the only one that gets the credit recorded before schedules are finalized.

Miss it, and the next opportunity is usually the fall (October–December) window. That credit typically can't retroactively change a schedule that's already locked for the semester — so a missed summer deadline doesn't just mean "wait a few months," it often means the acceleration doesn't take effect until the following school year. For a student trying to reach Algebra 1 or Geometry a year early, that's the difference between staying on an accelerated math track and losing the year entirely.

When should you actually register?

Here's something that surprises most parents: families don't tend to prepare at the last minute before a registration deadline — they prepare three to four weeks ahead of it. That's when the decision to accelerate actually gets made, not the week the deadline closes. Practically, that means:

• If your district's summer registration deadline is August 1 (like Round Rock's), the real planning window is early-to-mid July — not late July.
• Once a registration deadline has passed for a given quarter, the realistic next target is the deadline for the following quarter — trying to rush a late registration rarely works, since districts need lead time to schedule and proctor the exam.
• Confirm your district's specific dates early, not the week you plan to register. Districts are required to publish dates, but they don't all publish them in the same place or with the same lead time.

One more factor to plan around: your district's actual school start date often comes earlier than you'd expect, thanks to a state exemption most parents have never heard of — and it quietly sets the real deadline for summer CBE planning.

How to find your district's actual dates

Since there's no statewide list, the fastest paths to your district's real dates are:

1. Search your district's site directly for "Credit by Exam" or "Examination for Acceleration" — most Texas districts use one of these two names.
2. Ask your student's counselor directly which of the four required windows applies to the specific course and grade level — see our guide to the counselor sign-up process for exactly what to ask and how the paperwork usually works.
3. Check whether your district publishes registration deadlines separately from test dates — as the Round Rock example shows, the two are usually a month apart, and it's the earlier (registration) date that matters for planning.

We've documented specific dates for several major districts — including Frisco, Prosper, Plano, Round Rock, and Lubbock ISD — in our 2025–2026 CBE & EA schedule guide, and a broader month-by-month planning checklist in our CBE prep calendar.

Frequently asked questions

Is there a single statewide CBE deadline in Texas?

No. Texas Education Code §28.023 lets each school district's board approve and operate its own Credit by Examination program, so deadlines are set locally. State rule (19 TAC §74.24) only requires that each district offer at least one testing window per quarter — four per year — and publish the dates.

How many times can a student attempt the same CBE exam?

A student can attempt a given exam only once within a testing window, and generally no more than two total attempts on the same high school course. See our retake rules guide for the full detail.

What happens if we miss the summer CBE deadline?

The credit typically won't be recorded in time to change fall course placement, since schedules are usually finalized before the next (fall) testing window closes. In practice, this often pushes the acceleration to the following school year rather than the current one.

How far in advance should we register for a CBE exam?

Aim to have your decision made and registration submitted three to four weeks before your district's deadline — not the week of. Districts typically need lead time to schedule proctoring, and some districts (like Katy ISD) require registration as much as 24–65 days ahead of the test date.

Do all Texas districts allow CBE for every grade level?

No — this also varies by district. Some districts restrict certain testing windows to specific grade bands (for example, grades 6–12 only) or to students in grades 9–12 for particular windows. Always confirm eligibility for your student's specific grade and course with the district.

Where can I find my specific school district's CBE dates?

Search your district's website for "Credit by Examination" or "Examination for Acceleration," or ask your student's counselor directly which of the four required annual windows applies. Districts are required to publish these dates publicly, though the exact page and format vary.

Texas CBE™ is an independently operated exam-prep service and is not affiliated with, endorsed by, or operated on behalf of the University of Texas High School, Texas Tech University K-12, the Texas Education Agency, or any Texas school district. Always confirm your district's specific CBE deadlines, eligibility rules, and registration process directly with your student's school counselor — this guide explains the general structure, not your district's exact dates.