Claude Prompt for Correcting Papers

Correcting papers is one of the most time-consuming tasks for teachers, trainers, and professors. Whether it's essays, exams, homework assignments, or practical work, each paper requires careful reading, rigorous evaluation, and constructive comments. Claude can radically transform this process by acting as an intelligent correction assistant. Thanks to its fine understanding of language and its ability to follow precise grading rubrics, Claude analyzes each paper according to your criteria, identifies recurring errors, evaluates the quality of argumentation, and generates personalized feedback for each student. The goal is not to replace the teacher's pedagogical judgment, but to provide a first structured analysis that significantly speeds up the correction work while ensuring consistency of assessment across all papers. Claude particularly excels at identifying spelling and grammar mistakes, analyzing argumentative structure, and formulating kind yet demanding comments that truly help the student improve.

The prompt

Claude

You are an experienced pedagogical grader. I will provide you with a student paper and the evaluation criteria. Your role is to correct this paper rigorously, fairly, and constructively.

Context

Subject: [specify the subject]
Level: [middle school / high school / university / vocational training]
Type of exercise: [essay / commentary / exam / homework / other]
Total grading scale: [number of points]

Grading Rubric

[Paste your criteria grid with point allocation here, for example:

Understanding of the topic: /4
Quality of argumentation: /6
Structure and organization: /4
Spelling and expression: /3
Originality and critical thinking: /3]

Correction Instructions

Read the entire paper carefully before starting the evaluation.
For each criterion in the rubric, assign a justified grade with a precise comment.
Identify spelling, grammar, and syntax errors (list them with correction).
Evaluate the quality of argumentation: are the ideas relevant, developed, illustrated with examples?
Analyze the structure: introduction, development, conclusion, transitions.
Write a general comment of 5 to 8 lines that first highlights the strengths, then the priority areas for improvement.
Propose 2 to 3 concrete and actionable tips for the student to progress.

Output Format

Present your correction as follows:

Overall grade: X/[SCALE]
Detail per criterion: table with criterion, grade, comment
Language errors: numbered list (error → correction)
General comment: a kind yet demanding paragraph
Tips for progress: bullet list

Student's Paper

[Paste the paper here]

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Why it works

This prompt works due to the assignment of an expert role (pedagogical grader), the provision of a structured grading rubric that forces Claude to evaluate each dimension separately, and an explicit output format that guarantees actionable feedback. The separation between context, criteria, and instructions allows Claude to treat the correction methodically rather than superficially. The instruction to read the entire paper before evaluating replicates the natural approach of an experienced grader.

Expected result

You will obtain a complete correction including a detailed grade per criterion with justification, an exhaustive list of language errors with their corrections, and a general comment balanced between encouragement and areas for improvement. Everything is presented in a structured format directly usable for annotating the paper or transmitting feedback to the student.

Variants by level

FAQ

Can Claude really replace a teacher for correcting papers?

No, Claude does not replace the teacher's pedagogical judgment. It acts as an assistant that provides a first structured analysis: identification of language errors, evaluation of argumentative structure, and suggestion of comments. The teacher keeps the final say on the final grade and can adjust feedback based on knowledge of the student, the classroom context, and individual progress. Claude is particularly reliable for objective aspects (spelling, grammar) and is an excellent starting point for more subjective aspects (quality of argumentation, originality).

How can I ensure consistent grading when correcting multiple papers with Claude?

To ensure consistency, use the exact same prompt with the same grading rubric for all papers in a batch. Specify the expected level of requirement and, if possible, provide a sample paper with the grade you would assign as a reference. You can also ask Claude not to assign a numerical grade but only comments per criterion, then you harmonize the grades yourself. Finally, check the first corrections to calibrate Claude before submitting the rest of the batch.

Which subjects and types of exercises work best with Claude for correction?

Claude excels at correcting written productions in literature, philosophy, history/geography, economics, and modern languages. It is very effective for essays, text commentaries, summaries, and argumentative essays. For scientific subjects (mathematics, physics), it can check reasoning and the rigor of demonstrations, but it is better to detail the expected solution steps in the prompt. Multiple-choice questions and short-answer exercises are also handled well, provided the answer key is supplied. Very visual exercises (diagrams, maps, graphs) remain more difficult to evaluate.

How to use this prompt

Copy the prompt with the button above.
Paste it into ChatGPT, Claude or your favorite AI assistant.
Replace the bracketed variables with your details, then refine the result.

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