SchoolAI Builds an AI Platform That Strengthens Teachers' Educational Capabilities

SchoolAI has built a safe and observable AI infrastructure that helps teachers provide personalized support without missing any individual student's learning status. Since its founding in 2023, it has been adopted in 1 million classrooms across more than 80 countries, and is growing rapidly through more than 500 education partnerships.

The platform provides core tools for teachers and students.

• Dot: A conversational assistant for teachers that generates personalized lesson plans, such as leveled reading activities, in seconds.
• Sidekick: An AI tutor for students, built on GPT-4o and GPT-4.1, that guides learning by adjusting pace and encouragement based on student responses.

SchoolAI's core philosophy is that AI should not simply provide answers, but instead play a coaching role that helps students stay engaged in the learning process. To this end, every student input passes through an agent graph composed of dozens of specialized nodes, providing structured support through model calls, tool use, and guardrail application.

The tech stack optimizes the use of OpenAI's models.

• GPT-4o: Handles Dot's conversational interface and lesson composition logic
• GPT-4.1: Supports deep reasoning tasks such as multi-step math problem solving
• Image generation and TTS: Generates customized visual materials and provides voice feedback in more than 60 languages

In addition, SchoolAI has secured both cost efficiency and accuracy through smart routing, assigning complex reasoning to GPT-4.1 or GPT-4o while using smaller models such as GPT-4o-mini for lightweight checks.