Edexia

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Edexia is an education technology tool that provides AI essay grading and feedback for VCE, HSC, QCE, WACE, and IB English. It is calibrated to official rubrics and saves teachers significant grading time.

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At a glance

Pricing

Custom

Free tier

Yes

API

Skill level

Non-technical

About

What is Edexia?

Edexia offers AI-powered essay grading and feedback specifically designed for VCE, HSC, QCE, WACE, and IB English curricula. The platform is calibrated to official rubrics and has demonstrated high accuracy, matching teacher grades exactly 81.2% of the time and within one grade band 98.3% of the time in trials. Teachers maintain full control, able to edit, rewrite, or add voice notes to any AI-generated feedback before releasing it to students. Key features include AI detection with writing replay, cross-submission student reports, a prompt and stimulus library, and tools for benchmarking and moderation. Edexia aims to save teachers up to 80% of their grading time while providing consistent and accurate feedback.

Best used for

Ideal for English teachers in Australian and IB schools who need to efficiently grade essays, provide consistent feedback aligned with official rubrics, and detect AI-generated student work. Especially valuable for reducing grading time while maintaining high accuracy and teacher control over feedback.

Common actions

grade essays

provide feedback

detect AI writing

manage student submissions

calibrate marking

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Capabilities

Key features

AI essay grading
Rubric-aligned feedback
AI detection
Writing replay
Cross-submission reports
Prompt library
Handwriting transcription

Target Audience

teacher

Integrations

Not yet documented

Pricing & Plans

Custom

Freemium

FAQs

How accurate is Edexia's AI grading?

In trials across 579 essays, Edexia matched teacher grades exactly 81.2% of the time and was within one grade band 98.3% of the time. This consistency is comparable to upper-range human inter-rater reliability, making it highly accurate for curriculum-specific grading.

Does Edexia use student data to train its models?

No, Edexia explicitly states that student essays are never used to train its general models. All training data is siloed to individual or institutional accounts and remains the intellectual property of the account holders, ensuring data privacy.

Can teachers edit the AI-generated feedback?

Yes, teachers have full control over the feedback. They can rewrite, delete, or build on any AI-generated comment before it reaches a student. Teachers can also add personal voice notes and release feedback only after their review and approval.

Does Edexia support all VCE, HSC, QCE, WACE, and IB English texts?

Yes, Edexia supports every text on the study lists for VCE, HSC, QCE, WACE, and IB English. It maintains a knowledge base of themes, authorial intent, and key quotes for each text, validated by experienced educators.

Can Edexia detect AI-generated student essays?

Yes, Edexia includes AI detection specifically tuned for student writing, aiming to minimize false positives. Combined with a writing replay feature that shows keystroke-by-keystroke progress, it provides a comprehensive view of authenticity.

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