Free Student Writing Checker for Teachers
Paste a student draft for a quick first pass on sentence boundaries, mechanics, writing load, long sentences, and other patterns that may help you prioritize feedback.
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Advanced details
Use the checker to decide where feedback should start
This tool is most useful as a quick first pass before you grade with your normal rubric. Sentence-boundary flags and mechanics cues can help you find places where clarity breaks down, while long-sentence and variability signals can point to drafts that may benefit from sentence combining or splitting work.
- Paste the draft and select Analyze Writing.
- Check sentence-boundary flags before focusing on smaller surface errors.
- Use the suggested draft score only as a prioritization cue. It is not a classroom grade.
- Open Advanced Details when you need examples before commenting or conferencing.
About the AI-pattern signal
The AI-pattern signal is a low-stakes consistency heuristic based on broad writing patterns such as unusually uniform sentence length. It is not an AI detector, it cannot establish authorship, and it should never be treated as proof that a student used or did not use AI. Use it only as a prompt to read the draft more closely when something deserves a second look.
For a fuller explanation of the writing signals, open the Student Writing Complexity Checker guide.
Turn feedback into targeted practice
If sentence boundaries or mechanics are the main issue, paste a teacher-selected passage into the Editing & Mechanics Worksheet Generator. To compare the complexity of a classroom reading passage with the writing task you assigned, use the Reading Text Analyzer.
Need classroom reading material for a written response? Start with the free reader's theater resources or browse the full script collection.