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arXiv · 2607.13041

LessonBench-V1: A Benchmark Dataset for Evaluating AI Lesson Generation Agents

Ravidu Suien Rammuni Silva·Ahmad Lotfi·Isibor Kennedy Ihianle·Golnaz Shahtahmassebi·Jordan J. Bird
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Abstract

Large Language Model (LLM) based AI educational content generation systems are increasingly being developed, yet no standardised benchmark exists to systematically evaluate them. This study introduces LessonBench-V1, a benchmark dataset comprising 647 human-written lessons paired with LLM-based reverse-engineered lesson plans across 240 STEM topics spanning mathematics, physics, chemistry, and computer science. The lessons are drawn from 97 trusted open sources, including LibreTexts, Brilliant.org and GeeksForGeeks. Each lesson plan is human-reviewed and produced through a pedagogically grounded methodology that synthesises Bloom's Taxonomy, Gagn\'e's Events, Merrill's First Principles, and the 5E Instructional Model. The lesson plans capture 3,620 learning objectives with pedagogical metadata, enabling systematic, reproducible evaluation of lesson-generation AI agents and supporting further research. The study further proposes a three-dimensional evaluation pipeline for use with the dataset.

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Ravidu Suien Rammuni Silva, Ahmad Lotfi, Isibor Kennedy Ihianle, Golnaz Shahtahmassebi, Jordan J. Bird. 2026-06-12. LessonBench-V1: A Benchmark Dataset for Evaluating AI Lesson Generation Agents. https://arxiv.org/abs/2607.13041

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