STAR21 is an education technology company reimagining professional growth through AI.

Our flagship platform, Starlight, is the UK’s first AI-powered coaching and performance engine for schools, enabling leaders to scale high-quality coaching to every teacher, every week — without adding workload.

Starlight transforms lesson audio into insight within minutes, delivering coaching feedback, reflection prompts, and classroom resources. The Teacher Toolkit generates summaries of learning, misconceptions, retrieval questions, homework instructions, participation logs, recognition ideas, and Tier 2 and 3 vocabulary — plus multilingual lesson summaries for EAL students.

The Constellation Dashboard gives leaders anonymised, real-time analysis of teaching across their school or trust, highlighting strengths and development priorities.

At its core is the STAR model — feedback that’s Specific, Timely, Actionable, and Regular — creating a unified ecosystem that reduces workload, drives reflection, and builds a culture of continuous improvement.

Visit us at Hall North, South Stand: FS50 | Startup Zone