Grade high school practice exams with AI
AP- and IB-style practice exams, finals, timed essays: Correxio reads your students' answers, handwritten or digital, and proposes a score criterion by criterion, against your own rubric.
Essays, free response, problem sets: what Correxio does with them
A high school practice exam means long papers, often four to eight pages each, a rubric that has to hold steady from the first student in the stack to the last, and students waiting on their score to know where they stand.
Long papers, read whole
The AI reads every page of a paper in a single pass: an eight-page argument essay is judged on the whole of its reasoning, not page by page.
Analytic rubrics
Break an essay into criteria such as thesis, evidence, analysis and writing, or a free-response section question by question. Each criterion has its points, in quarter-point steps, and a description of what you expect, on whatever scale you grade.
Math and science free response
In calculus, physics, chemistry or biology, the AI reads calculations, diagrams and graphs, and comments write formulas in real notation, on screen and in the PDF handed back to the student.
Feedback before the real exam
Each paper gets remarks placed where they apply and a two-to-three-sentence overall comment, so students know what to fix before the exam that counts.
No anchoring on a first read
If papers come back already marked by a colleague, the AI ignores those marks and grades against your rubric. A part left blank scores zero, without borrowing credit from the rest of the paper.
A practice exam graded in four steps
One batch per exam: the essay, the free-response section and the problem set each get their own prompt and rubric.
The exam, and an answer key if you have one
Upload the prompt or exam as a PDF, photo or Word file. Add an answer key or scoring notes: the AI uses them as a reference without straying from the rubric.
The papers
Scan the stack into a single PDF and split it into papers page by page, or upload one file per student. Each student's name is masked before grading.
The rubric
The AI drafted one while the papers were importing. Adjust the criteria and their points to match your scale, then launch grading.
Review and export
Click a question and the scan scrolls to the matching passage. Adjust, confirm each paper, then export scores as CSV and annotated papers as PDF, one by one or as a ZIP.
Your questions about practice exams
Can the AI grade an argument essay?
It proposes a score for each criterion of your rubric, with a justification, and places its remarks on the paper. An essay is still where the teacher's judgment matters most: review every proposal, change scores and comments, add your own. Nothing is exported without your approval.
Are official scoring guidelines built in?
No. You enter your own rubric, drawing on the published scoring guidelines for the exam if you wish, or start from the one the AI drafts from the prompt and adjust it.
What does grading a practice exam cost?
Pricing counts graded pages of student work; the exam, answer key and rubric don't count. A double sheet is 4 pages, and an essay running over two double sheets is 8: two sections of 35 students then make 560 pages. The free plan offers 30 pages a month to try it; paid plans offer 250 or 500.
Can we calibrate scores across graders?
Each Correxio account is individual: there is no shared space between colleagues yet. For an exam graded by several teachers, each enters the same rubric in their own batch, and comparing everyone's CSV exports shows how scores line up criterion by criterion.
What about oral exams and presentations?
Correxio grades written work, handwritten or digital: oral exams, presentations and spoken components are outside its scope.
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