An AI assistant powered by your teaching knowledge

Teach Smarter.
Grade Faster.
Stay in Control.

Lexa transforms your worksheets into interactive practice with AI guidance, instant grading, and real-time insights while keeping teachers fully in control.

Start Free Trial →Watch Demo

✓ Works with your PDFs

✓ Setup in 5 minutes

How it Works

Create Your Knowledge Base

Upload your notes, rubrics, and teaching materials. Lexa uses YOUR content, not generic AI, to guide students and provide feedback that matches your teaching style.

✓

AI learns from your materials

✓

Feedback matches your style

Student using Ask Lexa assistant for help

Always Available Assistant

Students get help 24/7 using YOUR teaching materials. Lexa sees the actual worksheet, including questions, diagrams, and sources, and provides guidance that matches how you teach.

✓

Help based on your materials

✓

Sees the actual worksheet pages

Teacher providing real-time help with annotations

Watch Students Work Live

See exactly where students get stuck. Provide instant help with drawings and notes. No screen sharing required.

✓

Works with any PDF

✓

Real-time annotations

Grade Instantly with Skill Tracking

Lexa grades instantly and automatically tracks which skills students struggle with. See performance by skill, not just overall scores. Students can improve answers based on feedback, creating a complete learning cycle.

✓

Automatic skill-level tracking

✓

Complete feedback loop

Frequently Asked Questions

Yes, Lexa works with PDF and DOCX worksheets. For optimal performance, worksheets with a single question per page are most effective. Lexa can still provide guidance with multiple questions per page, though single-question layouts yield the best results.

Yes, students create a free account to keep their work safe and accessible from any device. We support Google Sign-In and email signup. Most students already have Google accounts, so signup is fast.

No, Lexa complements your existing tools. Use your video conferencing for live sessions and your LMS for course management. Lexa focuses on worksheet-based teaching with real-time student support and automated grading.

Ask Lexa provides instant help 24/7 using YOUR teaching materials, including your notes, rubrics, and lesson plans. The AI sees the actual worksheet pages, including questions, diagrams, and sources, and provides guidance that matches your teaching style. You can review their progress anytime.

When a student is working on a worksheet, you see their screen live in your browser. You can draw with a pen, highlight important sections, and add sticky notes with comments. No screen sharing required.

Yes! Start with our free tier to explore the platform. We're currently onboarding teachers for early access with full features.

Still have questions?

We're here to help.

contact@lexa.sg

AI That Works Like You Teach

Get AI assistance grounded in your materials, automatic skill tracking, and a complete learning cycle, all in one platform.

Start Free Trial →