Plagiarism & AI Detection Built for K–12 Schools
Plagiarism detection, AI writing review, authorship evidence, and rubric grading tools — all in one transparent platform designed for teachers, schools, and districts.
Problems Checkmark Helps Solve
Modern classrooms face unprecedented challenges with digital writing, generative AI, and academic integrity.
AI-Generated Assignments
Students using ChatGPT, Claude, or AI paraphrasers to generate entire essays or paragraphs without developing authentic writing skills.
Copied or Improperly Cited Work
Passages pasted directly from websites, online study guides, or classmates without proper quotation marks and attribution.
Unclear AI-Detector Results
Vague percentage scores that accuse students without showing evidence, causing unfair accusations and stressed parent conversations.
Time-Consuming Essay Grading
Teachers spending dozens of hours each week reading, checking sources, writing repetitive rubric comments, and recording grades.
Inconsistent Academic Integrity
Varying enforcement standards across different departments, grade levels, and classrooms within the same school.
Core Capabilities Built for Education
Checkmark provides transparent evidence across all aspects of student writing.
Plagiarism Detection
Match text against billions of web pages, journals, and peer submissions with side-by-side quote comparison.
AI Writing Indicators
Sentence-level AI confidence metrics that highlight suspicious structure without making unproven accusations.
Writing-Process Playback
Keystroke-by-keystroke edit history playback showing how an essay evolved line by line over time.
Copy-Paste & Transcription Evidence
Detect massive external paste events and rapid manual transcription patterns from external screens.
Rubric-Based Grading
AI-assisted autograding based on teacher rubrics with customizable feedback drafts ready for instructor approval.
LMS Integration
Seamless workflow integration with Google Classroom, Canvas LMS, Buzz LMS, and LTI 1.3 standards.
Transparent Evidence, Not Black-Box Guesswork
Checkmark combines plagiarism matching, passage-level AI signals, and full edit playback on a single report screen so teachers can make informed, fair decisions.

Solutions Tailored by School Type
Explore features specifically tailored to your institution's academic standards and workflows.
Middle Schools
Focus on teaching proper paraphrasing, citation fundamentals, and building early academic integrity habits.
High Schools
Empower teachers to review AI writing indicators alongside authorship playback for essays and AP coursework.
School Districts
Standardize policies, centralize administrative reporting, and deploy seamlessly across your LMS infrastructure.
Private & Independent
Uphold rigorous academic standards and honor codes with customizable, policy-aligned investigation workflows.
Supported LMS Integrations
Checkmark fits right into your existing learning management system so teachers and students never have to switch tools.

Google Classroom
One-click assignment sync and automatic submission checking directly within Google Workspace for Education.

Canvas LMS
Deep SpeedGrader integration. Reports and score cards embed right in teacher evaluation views.
Buzz LMS
Full LTI 1.3 integration supporting district-wide course rosters, automated grading, and reporting.

LTI 1.3 & SSO
Universal standard compatibility with Clever, ClassLink, SAML 2.0, and OAuth 2.0 single sign-on.
“Checkmark transformed how our teachers handle writing submissions. Instead of arguing about AI percentage numbers, our staff and students review actual writing process evidence together.”
Academic Integrity Resources
Guides, templates, and frameworks to support your faculty, students, and administration.
K–12 AI Policy Guide for School Leaders
A practical framework for drafting clear classroom rules around acceptable, disclosed, and prohibited AI usage.
Academic Integrity Investigation Checklist
Step-by-step checklist for teachers and administrators reviewing suspected plagiarism or AI-generated work.
Teacher Conversation Guide for AI Flags
How to conduct supportive, evidence-based conversations with students when AI detection signals arise.
Connecting Plagiarism Checks to Google Classroom
Setup guide and workflow tips for automatically checking student assignments directly in Google Workspace.
Request a School Demonstration
Schedule a personalized demo or consultation to see how Checkmark supports academic integrity and saves grading time for your school.
Tailored for K–12 & Higher Ed
Custom seat counts, LMS setups, and policy alignment.
Interactive Sample Reports
Test with actual student assignments in real time.
Dedicated Onboarding
Full support for district admins, IT staff, and teachers.
