Essay Grader

Overview

Essay Grader AI is an AI-powered essay grading platform purpose-built for K-12 educators, designed and refined with direct input from classroom teachers rather than big tech corporations. It is positioned as the #1 AI essay grader for teachers, trusted by more than 200,000 teachers across 10,000+ schools. The platform enables educators to grade hundreds of essays and other writing assignments in minutes, using curriculum-aligned rubrics and state writing standards to deliver accurate, specific, and timely feedback. By automating the repetitive and time-intensive parts of grading, EssayGrader claims to save up to 80% of grading time—roughly 10 hours per grading cycle.

At its core, EssayGrader combines a comprehensive rubric engine with advanced AI evaluation. Teachers can choose from a library of 800+ standards-aligned rubrics spanning all 50 U.S. states, AP, Common Core, IB, GCSE, and A-Levels, or build fully custom rubrics to maintain local curriculum standards. The platform goes beyond simple rubric scoring: it measures student writing against state standards and benchmarks performance against state assessment expectations, helping educators identify learning gaps early. Feedback is grounded in Hattie & Timperley's feedback model, providing color-coded, actionable next steps for each rubric criterion without giving students the answers outright. The AI also adapts grading to the grade level—elementary, middle, or high school—so a fifth grader is never assessed with the same expectations as a senior. Handwritten essays can be scanned from a tablet, smartphone, or school printer, with AI that recognizes cursive, print, and messy handwriting and automatically separates multiple essays from a single PDF.

In addition to grading, EssayGrader includes an AI detector that highlights sentence-level text likely generated by popular AI models such as ChatGPT, Claude, and Gemini, along with plagiarism detection against web sources, published works, and other submissions within the same class or school. Performance insights and dashboards surface class-wide writing trends, revision comparisons, and student progress over time, flagging students who may need support or a conference. Teachers retain full control: all AI-generated scores and feedback can be reviewed, edited, and supplemented with personalized comments before being shared with students. With native integrations for Google Classroom, Canvas, and Schoology, teachers can import assignments, grade an entire class in two to three minutes, and sync feedback and grades back to the LMS without manual file processing.

EssayGrader is built with privacy-first design. No personal identifiers are required to grade assignments; student names, emails, and IDs are never necessary. All student work is fully owned by the teacher or school, and data is encrypted in transit and at rest using TLS and AES-256. Submissions are used solely to generate grading feedback and are never used to train AI models, resold, or shared with third parties. The platform is independently evaluated, compliant with FERPA, COPPA, SOPPA, PIPEDA, and other state privacy laws, and adheres to NIST SP 800-53 standards, with SOC-2 Type 1 certification under audit. Whether used by individual teachers, schools, or districts, EssayGrader provides a scalable, pedagogy-first solution for writing assessment and student growth.

Core capabilities

Bulk Upload

Upload an entire class's essays with a single click via Google Classroom, Canvas, Schoology, or drag-and-drop from a computer.

Custom Rubrics

Build and apply your own rubrics to maintain curriculum standards and reflect your specific grading expectations.

Rubrics Library

Choose from 800+ standards-aligned rubrics covering all 50 U.S. states, AP, Common Core, IB, GCSE, A-Levels, and more.

Feedback Reports

Get detailed, pedagogy-grounded feedback on content, style, grammar, and more, modeled on Hattie & Timperley's feedback framework.

AI Detector

Identify AI-generated content within essays with sentence-level highlights from popular AI models like ChatGPT, Claude, and Gemini.

Plagiarism Detection

Ensure originality by automatically comparing submissions against web sources, published work, and other student essays.

LMS Integrations

Connect Google Classroom, Canvas, and Schoology in one click to import assignments, sync feedback, and export grades.

Performance Insights

Gain actionable insights into student writing proficiency, class trends, and learning gaps for targeted instruction.

Handwriting Recognition

Scan, transcribe, and grade handwritten essays—including cursive and messy writing—with automatic separation of class uploads.

AI Essay Summarizer

Streamline essay reviews with AI-powered summaries that help teachers quickly understand the content of submissions.

Use cases

Grading a full class set of essays in minutes instead of hours, freeing up time for lesson planning and one-on-one instruction

Providing step-by-step feedback aligned to rubric criteria and state writing standards to help students revise and improve

Identifying AI-generated content and potential plagiarism while respecting the teacher's judgment with evidence-based reports

Tracking class-wide writing trends and individual student progress across drafts, including revision comparisons

Benchmarking student writing against state assessment standards to predict performance and identify learning gaps early

Grading handwritten essays in classrooms where teachers intentionally reduce excessive AI usage by returning to pen-and-paper assignments

Streamlining revision cycles by giving instant draft feedback, allowing students to revise, and grading again without additional burden