Weighted vs. Unweighted GPA: What Colleges Actually See
Unweighted GPA treats every course identically regardless of difficulty, capped at 4.0. Weighted GPA adds bonus points (commonly 0.5 to 1.0) for honors, AP, or IB courses, allowing a weighted GPA to exceed 4.0. College admissions offices typically see both figures, and many also recalculate applicants' GPAs using their own standardized method for fairer comparison across different high schools.
A student with a weighted GPA above 4.0 hasn't done anything mathematically unusual — it's simply a different, additive scale designed to reflect course difficulty, and understanding how admissions actually uses both numbers matters more than which one looks higher.
How each scale actually works
Unweighted GPA uses the standard 4.0-max scale (A = 4.0) regardless of whether a course was a standard, honors, or AP-level class. Weighted GPA adds extra points for more rigorous courses — commonly an extra 0.5 for honors and an extra 1.0 for AP or IB courses — which is why a student taking several AP classes can post a weighted GPA above 4.0, even 5.0 in some systems.
How admissions offices actually use both numbers
Most colleges see both the weighted and unweighted GPA on a transcript, along with the actual course list and each high school's specific grading and weighting policy (often provided in a school profile). Because weighting policies vary enormously between high schools, many admissions offices don't compare weighted GPAs directly across applicants — they often recalculate a standardized GPA internally, or weigh course rigor and grades in context rather than relying on the raw weighted number alone.
What this means practically
A high weighted GPA is a reasonable signal of course rigor, but it isn't the single number decisions are made on — the underlying course difficulty and actual grades matter more than the specific weighting formula. Course selection that genuinely challenges a student is generally viewed more favorably than one optimized narrowly to maximize a weighted GPA number.