AI Chemistry Grader for Handwritten Answers
Proctor AI is an AI chemistry grader that reads a whole class of handwritten chemistry answer sheets and scores each against your rubric. Chemistry grading has to read equations, structures, and balanced reactions, not just text.
Upload one PDF, type a prompt or attach your marking scheme, and get every paper graded in minutes, with you in control of every result.
- 93% agreement with manual grading
- 10 sec average time per paper
- 97% less time spent marking
- 2,000+ teachers using Proctor AI
What grading chemistry involves
Chemistry answers include balanced equations, organic structures, reaction mechanisms, numerical problems, and descriptive theory. Proctor AI reads chemical notation and grades each against your scheme.
What the Chemistry grader can grade
| Answer type | How Proctor AI grades it |
|---|---|
| Balanced equations | Checks reactants, products, and balancing |
| Organic structures | Recognizes drawn structures and functional groups |
| Numerical problems | Reads working and awards partial credit |
| Descriptive theory | Scores against rubric point coverage |
| Apparatus diagrams | Checks expected labels and setup |
- Balancing chemical equations
- Organic structures and mechanisms
- Mole and concentration calculations
- Reaction and process descriptions
- Diagrams of apparatus
How it works
- Upload the class: Drop in one PDF of the answer sheets. The agent splits individual papers automatically.
- Set the rubric: Type a prompt describing how to grade, or attach your existing marking scheme.
- Let it grade: Each answer is read and scored against the rubric in seconds per paper.
- Review and approve: Check the marks and feedback, adjust anything, and approve. Nothing is final until you say so.
Frequently asked questions
Can AI grade chemistry answers?
Yes. Proctor AI reads handwritten chemistry answers, chemistry grading has to read equations, structures, and balanced reactions, not just text. It grades each against your rubric and you approve every mark.
Can it grade chemical equations and structures?
Yes. Proctor AI reads chemical notation, including balanced equations and organic structures, and grades them against your marking scheme.
How accurate is chemistry grading?
Proctor AI reaches around 93% agreement with manual marking, and because you review and adjust every mark, the final result is always teacher-approved.
Is the Chemistry grader free to try?
Yes. There is a free plan so you can grade a real set of papers before deciding.