Mathematics is not about numbers, equations or algorithms: it is about understanding.
William ThurstonExam Guides
Guides for Texas Credit by Exam, SAT and PSAT, AP and AMC — what is on each one, when it is sat, and how to prepare.
Find your school districtMcKinney ISD CBE — Parent Guide: 80%/70% Passing, 3-HS Structure (2026-2027)
McKinney ISD Credit by Examination: 80% for acceleration (TEC §28.023), 70% for credit recovery (19 TAC §74.24). Registration through your campus counselor at McKinney HS, McKinney Boyd, or McKinney North. District Assessments office administers.
Fort Worth ISD CBE — Parent Guide: 80% Pass, 2 Departments (CCR + G&T) (2026-2027)
Fort Worth ISD Credit by Exam and Acceleration Testing: 80% for acceleration, 70% for credit recovery. Two departments — College & Career Readiness + Gifted & Talented.
Houston ISD CBE — Parent Guide: 80% Grade 1-5, Max 3 Credits/Admin, 2 Attempts/Subject (2026-2027)
Houston ISD (HISD) CBE lets K-12 students skip a class (acceleration) or earn course credit. Grades 1-5 require 80% on EACH of Language Arts / Math / Science / Social Studies. Max 3 course credits per administration and max 2 attempts per subject during HISD enrollment.
Prosper ISD CBE + EA — Parent Guide: 70%/80%, Year-Long Course Window Rule (2026-2027)
Prosper ISD (PISD-North) splits CBE (70% pass, prior instruction) and EA (80% pass, acceleration) into two separate programs, with grade-band tracks for 1-5 and 6-12. Year-long courses (Algebra 1, Geometry, Biology, U.S. History) restricted to specific placement windows.
Katy ISD Credit by Exam — Parent Guide: 80% Accelerate, 4 Windows, First-Day Rule (2026-2027)
Katy ISD offers CBE at every grade level: 80% for acceleration (no prior instruction), 70% for credit recovery. Four windows/year with strict deadlines. Critical rule: results must arrive by the first day of school for that year to count.
Fort Bend ISD CBE — Parent Guide: 4 Testing Sessions + 80% Bar (2026-2027)
FBISD Credit by Exam: four testing sessions per year (Dec / Feb-Mar / Apr-Jun / Jun-Aug), 80% minimum for middle school course credit, campus counselor signature required on registration.
Texas CBE Exam Deadlines: Why There's No Statewide Date (And How to Find Yours)
There's no single Texas CBE deadline — each district sets its own, though state rule guarantees at least four testing windows a year. Here's how the structure actually works, real district examples, and the one deadline that matters most.
Why Texas School Start Dates Vary: The Fourth-Monday Rule (And Why Most Districts Skip It)
Texas law says schools can't start before the fourth Monday in August — but most districts start weeks earlier anyway. Here's the District of Innovation exemption that makes it legal, why regions differ, and how to find your own district's real date.
Texas CBE Passing Scores and Retake Rules — What Students Need to Know (2026)
How CBE passing scores work in Texas — the two different thresholds (acceleration vs. credit recovery), what happens if a student doesn't pass, and the realistic retake timeline at most Texas districts and at UT High School.




