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8 official domainsUse any two or more Reading & Writing and Math domains.SAT domain analysis
SAT Domain Performance Calculator
Compare raw question accuracy across official Reading & Writing and Math domains, keep sample size visible, and choose a transparent review priority.
Normalize
Correct ÷ attemptedPercentages make differently sized practice sets comparable.Prioritize
Evidence firstReview lower raw accuracy while keeping sample size visible.Turn question history into a review plan
Compare like-for-like percentages
Enter attempted and correct counts for any two or more domains. Blank domains are omitted—not treated as zero—and every result remains tied to its sample size.
Partial domain comparison
Weighted raw accuracy
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All entered correct answers ÷ all entered attempted questions—
Entered-domain comparison
Raw accuracy on one 0–100% scale
Weighted section context
Entered Reading & Writing and Math questions
Reading & Writing—
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Math—
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Transparent review order
Start with the lowest entered raw accuracy
Full calculation
Every entered count and percentage
| Domain | Section | Attempted | Correct | Review | Accuracy | Sample note |
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What to study next
Review the lowest entered domain
A transparent four-step method
How the domain comparison works
The calculator preserves denominators, weights the combined result correctly, and keeps its recommendation inspectable.
Enter evidence
Use attempted and correct counts from comparable practice.
Normalize
Calculate correct ÷ attempted for each entered domain.
Keep context
Show sample size, section totals, spread, and omitted domains.
Prioritize
Order entered domains by raw accuracy, then verify the evidence.
Worked example
Different question totals need percentages
Suppose a student records Information and Ideas 9/12, Craft and Structure8/10, Algebra 6/10, and Advanced Math9/10. The weighted overall accuracy is 32/42 = 76.2%. Algebra is the first review signal at 60%, while Advanced Math is highest at 90%.
- Information & Ideas75%9 of 12
- Craft & Structure80%8 of 10
- Algebra60%6 of 10 · review first
- Advanced Math90%9 of 10
Official SAT organization
Eight domains across two sections
These are the content areas used to organize SAT skills and practice. Question distribution varies by domain.
Reading & Writing
Four content domains
- Information and IdeasComprehension, inference, evidence, and information from text or graphics.
- Craft and StructureVocabulary in context, text purpose, structure, and cross-text reasoning.
- Expression of IdeasRhetorical synthesis, transitions, and effective written expression.
- Standard English ConventionsSentence boundaries, grammar, usage, punctuation, and logical form.
Math
Four content domains
- AlgebraLinear equations, functions, systems, and inequalities.
- Advanced MathEquivalent expressions and nonlinear equations and functions.
- Problem-Solving and Data AnalysisRatios, rates, percentages, probability, statistics, and data analysis.
- Geometry and TrigonometryArea, volume, lines, angles, triangles, circles, and trigonometry.
Interpret responsibly
Raw accuracy and official domain performance are different
What this calculator shows
- Correct, not-correct, and raw accuracy for entered domain sets
- Weighted section and overall accuracy across those entered questions
- A transparent review order with sample-size cautions
What it does not show
- Official seven-bar domain performance or demonstrated difficulty level
- A 200–800 section score, 400–1600 total, or adaptive route
- A statistically proven weakness or guaranteed improvement area
Use official evidence when available
Pair question counts with your practice score report
College Board’s content-domain guide explains the eight domains and official performance bars. My Practice provides question details and downloadable practice reports after scored Bluebook tests.
SAT domain-performance questions
Clarify data entry, weighted percentages, sample-size limits, and the difference between raw accuracy and official reporting.
What should I enter for each SAT domain?
Enter the number of questions attempted and answered correctly for each domain you want to compare. Both counts must come from the same question set or combined practice history. Leave both fields blank for domains you do not have data for.
Do I have to enter all eight domains?
No. Enter at least two complete domain rows. A partial comparison can still help organize review, but the result clearly states how many domains were included and does not invent results for omitted domains.
Why does the calculator compare percentages instead of correct counts?
Correct counts are not directly comparable when domain sets contain different numbers of questions. Dividing correct answers by attempted questions puts every entered domain on the same 0–100% raw-accuracy scale.
How is the overall accuracy calculated?
It is a weighted result: all correct answers across the entered domains divided by all attempted questions. It is not the simple mean of the domain percentages, so a 20-question set contributes more than a 5-question set.
Does the lowest percentage prove that domain is my weakest skill?
No. It is the lowest raw accuracy among the data entered. Question difficulty, test conditions, and sample size can affect the result. Confirm the signal with missed-question review and another comparable set before making a large study decision.
Why are samples under five questions flagged?
A few questions can produce a dramatic percentage change from one answer. The five-question flag is a transparent caution used by this tool, not an official College Board threshold or statistical confidence test.
Does this recreate the domain bars on an official SAT score report?
No. College Board domain bars reflect demonstrated proficiency across question difficulty levels. This calculator uses only user-entered correct and attempted counts, so it reports raw practice accuracy and does not convert that percentage into an official seven-bar result.
What should I do after finding a review priority?
Open that domain in the curriculum, identify the specific skills behind the missed questions, review the error causes, and then use a fresh comparable set. Improvement should be confirmed across repeated evidence rather than one percentage.
Continue the analysis
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