ACT Score Calculator

Understand your ACT composite score, section scores, and percentile rankings. Set target scores for college applications.

📊 Test Prep📐 ACT Composite = Average of English + Math + Reading + Science
English score (1-36)
Math score (1-36)
Reading score (1-36)
Science score (1-36)
Please enter valid values.

Formula & Reference

VariableFormulaUnits
ACT Score CalculatorACT Composite = Average of English + Math + Reading + Sciencecomposite score

Step-by-Step Examples

Example 1
Above Average

English 24, Math 22, Reading 25, Science 23.

  • Composite: (24+22+25+23)/4 = 23.5 = 24
  • 74th percentile | Good score for many state schools
✓ Composite 24 / 74th percentile
Example 2
High Achiever

English 32, Math 30, Reading 33, Science 31.

  • Composite: 31.5 = 32
  • 98th percentile | Competitive for selective schools
✓ Composite 32 / 98th percentile
Example 3
Improving Student

English 18, Math 17, Reading 19, Science 18.

  • Composite: 18 | 44th percentile
  • Consider retaking after targeted prep
✓ Composite 18 / 44th percentile

Real-World Applications

📊
ACT Test Takers
Understand your score and set improvement targets.
🎓
College Applicants
Compare your score to target school score ranges.
📚
Test Prep Providers
Benchmark student scores and set realistic targets.
🏫
School Counselors
Help students understand their ACT scores in context.

Common Mistakes to Avoid

⚠️
Not knowing the score reporting policy

You can report only specific test dates to colleges (Score Choice). Some schools require all test dates; others accept your best superscore. Research each school's policy before registering.

⚠️
Overlooking the ACT Writing section

ACT Writing is separate and optional; few schools require it in 2024. Check your school list before registering; saving the writing fee is worthwhile if no target schools require it.

⚠️
Not knowing superscore policy

Superscoring = combining best section scores from multiple test dates. Many colleges superscore the ACT. A student with English 28 in April and Math 30 in June has a superscore combining the best sections.

Frequently Asked Questions

What is a good ACT score? ▾
18-20: below average. 21 (average): 50th percentile. 24+: good, top 25%. 27+: above average. 29+: top 10%. 32+: competitive for selective schools. 36: perfect, 99th+ percentile.
How is the ACT scored? ▾
Each section (English, Math, Reading, Science) is scored 1-36. Composite = simple average (rounded to nearest whole number) of all four sections. Plus optional Writing section (2-12), scored separately.
How do I improve my ACT math score? ▾
Master pre-algebra, geometry, Algebra I and II. The ACT math emphasizes speed more than the SAT. Practice with timed sections. Algebra and pre-calculus questions make up about 40% of the math section.
ACT vs SAT: which test to take? ▾
Take free practice tests of both. Students who prefer straightforward questions often do better on the ACT. SAT has longer passages but fewer questions. ACT includes a Science section (charts and data interpretation, not memorized science). Take whichever shows your stronger relative score.
When should I take the ACT? ▾
First take: spring of 11th grade. Retake: fall of 12th grade if needed. Some students take in 10th grade to establish a baseline. Most colleges accept multiple dates and superscore.

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