Tenjah: AI platform for Tunisian baccalaureate preparation
B2H designed and developed Tenjah, an AI teacher that teaches the official Tunisian program, generates different types of documents: course material, summary, mind map, adaptive exercises and corrects the student's photographed handwritten copy in less than 30 seconds, in French, Arabic or Derja.
The problem
Over 150,000 candidates take the baccalaureate exam each year in Tunisia, and families spend up to 800 DT per month on private tutoring. There is only one teacher for 30 or more students in a classroom, with no possibility of individual attention. No existing solution combines structured teaching, exercise generation, and handwritten assignment correction in a single platform.
Our solution
B2H built a full-stack platform (React, Node.js, PostgreSQL) around a RAG pipeline grounded in the official Tunisian curriculum, with 2 AI providers in cascade to guarantee service continuity. The guided workshop teaches chapter by chapter, generates exercises from easy to hard, then grades the student's photographed handwritten work via AI vision: mistakes identified, correct method explained, score out of 100. 4 proprietary DSLs turn model output into verifiable scientific figures (curves, circuits, geometry, variation tables) instead of raw text. Subscription at 20 to 30 TND per month after a 7-day full trial.
The results
200+ accounts created and 120+ active study sessions, with zero marketing budget. 30 seconds on average to grade a photographed handwritten answer. Platform live in continuous production at tenjah.b2h.tech.
Let's talk about your project
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