Home › Grading › Assignment Grader
Assignment Grader

AI assignment grader for any student work

One grader for essays, short answers, worksheets, projects and lab reports. Upload the work, apply your rubric and get drafted scores and feedback you can edit before anything reaches students.

Free plan available · Works with your own rubric · Any subject, any grade level · Last updated: October 2026

Quick answer

An AI assignment grader reads student work and scores it against your rubric. You upload the assignments, apply your rubric, and the AI drafts a score and written feedback for each one. You review and edit every result before grades are used. It works for essays, short answers, worksheets, projects, lab reports and more.

What is an AI assignment grader?

An AI assignment grader is a tool that reads student work, compares it with a rubric you provide, and drafts a score and written feedback for each submission. The teacher reviews and edits every result before it is used.

Instead of starting each paper from a blank comment box, you start from a draft that already follows your criteria. That makes it practical to give specific feedback on every assignment, not just the ones you have time for.

  • Rubric-first: your criteria decide every score and comment.
  • Any format: typed files, PDFs, Word documents and photos of handwriting.
  • Teacher in charge: nothing is final until you approve it.

Why do teachers need an AI assignment grader?

Teachers collect several kinds of work each week, each with its own rubric and feedback expectations. An AI assignment grader handles all of them in one workflow, which cuts the time spent switching tools and rewriting similar comments.

01

Different rubrics, same exhaustion

An essay rubric, a project rubric and a lab rubric all take setup time. Switching between them costs almost as much as the grading.

02

Too many tools

Separate apps for essays, quizzes and rubrics mean more logins and feedback scattered in different places.

03

Feedback gets skipped

When grading runs long, comments shrink to a number. Students learn little from a score with no explanation.

What kinds of assignments can an AI grader handle?

An AI assignment grader can handle essays, short answers, worksheets, projects, lab reports, reflections, research papers and problem sets, as long as you can describe the rubric. The same workflow applies to each type.

Assignment typeWhat the feedback focuses on
Essays and research papersArgument, evidence, organization and style
Short answersAccuracy and specificity of each response
Worksheets and problem setsCorrectness, with partial credit where the rubric allows
ProjectsCompletion and quality across your criteria
Lab reportsMethod, data, analysis and conclusions
Reflections and journalsDepth of thinking and clarity

What it does not do

AI scoring is a draft. It does not know your students personally, so read each result and change anything that does not match your judgment.

What does a general assignment rubric look like?

A general assignment rubric usually scores four things: task completion, content accuracy, organization and clarity, and conventions. Each criterion has levels that describe strong, developing and beginning work.

CriterionStrongDevelopingBeginning
Task completion (4 pts)Every part is done with the expected depthMost parts present, some thinSeveral parts missing or off-prompt
Content accuracy (4 pts)Claims and reasoning are correct and specificMostly accurate with minor errorsSignificant errors throughout
Organization and clarity (3 pts)Logical order, easy to followOrder is present but unevenHard to follow
Conventions (2 pts)Minor errors that do not affect meaningNoticeable errors, meaning clearFrequent errors that distract

This is an example you can adapt. Use it as a starting point, or replace it with your own department, state or district rubric.

What does rubric-specific AI feedback look like?

Good AI feedback quotes the student’s own words, uses your rubric’s language and ends with a concrete next step. It explains why a score was given, not just what it was.

Assignment promptExplain why ice floats on liquid water.
Student responseIce floats because it is lighter than water.
AI feedback · Content accuracyThe observation is correct, but the response restates it instead of explaining it. “Lighter” needs a reason: ice is less dense than liquid water.2 / 4
Revision tip: Name the mechanism. As water freezes, its molecules form an open structure that takes up more space, so ice is less dense than liquid water.
Sample for illustration. Real results depend on your rubric and the student’s work.
  • Points to what the student actually wrote
  • Uses the same language as your rubric
  • Ends with a specific revision step

Every detail, handled

The assignment grader accepts the formats teachers actually receive, works across subjects and fits the platform you already use.

Mixed formats in one queue

PDFs, Word documents, typed text and photos of handwritten work can all be graded in the same pass.

Works across subjects

English, math, history, science and electives. The grader follows the rubric and content you provide.

Fits your platform

Sync with Google Classroom and Canvas, grade Google Forms responses, or upload files from Microsoft Teams.

Editable before use

Every score and comment is a draft. Change or delete anything before it reaches a student.

How to grade assignments with AI

To grade assignments with AI, add the student work, choose your rubric, then review the drafted scores and feedback and approve them. The steps are the same whether the work is an essay, a worksheet or a lab report.

Add the work

Sync from your classroom, drag in files or upload photos of paper work.

Choose the rubric

Use your own rubric, or start from a general one and adjust it.

Review and return

Check the drafted scores and comments, edit what you like, then use the final grades.

Grade assignments free

Who is the assignment grader for?

It is built for teachers who collect many kinds of written or handwritten work and want consistent, detailed feedback without spending every evening on marking: middle and high school teachers, college instructors, tutors and department heads who share rubrics across a team.

  • Teachers with several sections who need to return feedback quickly.
  • Mixed-assignment classes with essays, worksheets and projects each week.
  • Teams who want the same rubric applied the same way.

Assignment grader FAQ

Short answers to the questions teachers ask most.

What is an AI assignment grader?

It is a tool that reads student work, applies your rubric and drafts a score and feedback for each submission. You review and edit every result.

What kinds of assignments can the AI grade?

Essays, short answers, worksheets, projects, lab reports, reflections, research papers and problem sets. If you can describe the rubric, the AI can apply it.

Do I need a rubric for every assignment?

A rubric gives the best results, so it is worth having one. You can use your own or start from a general rubric and adjust it.

Can it grade scanned or handwritten work?

Yes. Upload photos or scans of handwriting, or PDFs, and the rubric is applied to each one.

Can it grade work with both writing and calculations?

Yes. Describe how you want each part scored in the rubric, including partial credit, and the AI follows it.

Does it work with my LMS?

EduRubric syncs with Google Classroom and Canvas, grades Google Forms responses, and accepts uploaded files from Microsoft Teams.

Can I edit the AI feedback?

Yes. All scores and comments are drafts that you can change before using them.

Is the grading consistent?

The same rubric is applied to every submission, which reduces the drift that comes from grading late in the day. You still review the results.

Is there a free AI assignment grader?

Yes. A free plan is available and no credit card is required.

Will AI replace teacher judgment?

No. The AI drafts, and you decide. Nothing is final until you approve it.

Ready to try an AI assignment grader that covers every format?

One queue, one rubric workflow and feedback in one place.

Grade assignments free

Free plan available · No credit card required

Scroll to Top