ACT Writing Rubric Overview
The ACT writing rubric evaluates argumentative essays using four domains scored on a 1-6 scale by trained graders. Each domain score (2-12) is the sum of two independent 1-6 ratings. The overall writing score is the rounded average of the four domain scores.
Key Details:
- Test Format: 40-minute argumentative essay
- Scoring Domains: Ideas and Analysis, Development and Support, Organization, Language Use
- Score Range: 1-6 per domain (from each grader), combined to 2-12
- Grading Method: Two trained readers score independently
- Task: Analyze multiple perspectives and develop your own position
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Official ACT Writing Test Rubric (PDF)
ACT Writing Test Scoring Rubric (PDF)
This official rubric from ACT, Inc. provides detailed scoring criteria for each domain and scorepoint level (1-6). Teachers can download this PDF for classroom use and reference when evaluating student argumentative essays.
What the ACT Writing Rubric Domains Measure
The ACT writing score rubric evaluates four key domains that work together to assess argumentative writing quality. Each domain focuses on a distinct aspect of effective argumentation.
- Ideas and Analysis measures how well students generate arguments and engage critically with multiple perspectives. Strong essays establish a clear thesis, create meaningful context for analysis, and examine implications or underlying assumptions.
- Development and Support evaluates the depth of reasoning and use of examples to strengthen arguments. High-scoring essays use integrated reasoning, provide relevant illustrations, and address qualifications or complications that enrich the analysis.
- Organization assesses how clearly and purposefully ideas are arranged throughout the essay. Effective essays show a controlling idea, logical progression of points, and strong transitions that clarify relationships between ideas.
- Language Use reflects the ability to communicate arguments with clarity and precision. This includes varied sentence structures, precise word choice, appropriate tone, and control of grammar and mechanics that doesn't impede understanding.
ACT Writing Rubric Domain Quick-Reference

How the ACT Writing Scoring Rubric Works
The ACT writing test rubric uses six scorepoint levels to describe writing quality across all four domains. Each scorepoint reflects increasingly sophisticated skill in constructing and communicating arguments. Use the descriptors to score each domain consistently across a class.
ACT Writing Scorepoint Summary

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Frequently Asked Questions About the ACT Writing Rubric
Common questions teachers ask about the NJSLA rubric. Contact us if you don't see your question answered below.
Two trained graders independently score each essay using the ACT writing test rubric. Each grader assigns scores of 1-6 across four domains: Ideas and Analysis, Development and Support, Organization, and Language Use. The two scores are added together to create domain scores of 2-12, and these four domain scores are averaged (and rounded) to produce the final Writing score. This ACT writing score rubric system ensures consistent evaluation across all essays.
Domain scores show performance in specific areas of argumentative writing (Ideas and Analysis, Development and Support, Organization, Language Use), each scored 2-12. The overall ACT writing score is the rounded average of these four domain scores, also on a 2-12 scale. Teachers can use domain scores to identify specific strengths and areas for improvement in student writing.
Yes, teachers can apply the ACT writing scoring rubric to any argumentative essay in the classroom. The four domains—Ideas and Analysis, Development and Support, Organization, and Language Use—reflect fundamental argumentative writing skills that extend beyond test preparation. Many teachers use the rubric's 1-6 scorepoint descriptors to evaluate essays consistently and provide targeted feedback to students.
A "good" score depends on student goals and the colleges they're targeting. Teachers can use the US and State Rank percentiles shown on ACT score reports to interpret how a student's score compares to other test-takers nationally and within their state. Competitive colleges typically look for scores that demonstrate strong argumentative writing skills across all four domains.
Many teachers spend 10+ minutes per essay when evaluating all four domains thoroughly using the ACT writing test rubric. For a class of 30 students, this can require several hours of focused grading time. EssayGrader's AI can apply the rubric domains to an entire class in under 2 minutes while maintaining consistent scoring standards.
Yes, the ACT writing scoring rubric requires separate evaluation of each domain (Ideas and Analysis, Development and Support, Organization, Language Use). Scoring domains separately provides more detailed feedback and helps identify specific areas where students excel or need improvement, rather than assigning a single holistic score.
















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