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Pick two or three tools to see their ratings and the supplier’s answers next to each other. Useful when you’re deciding which one your school should use.
| Field | ChatGPT Edu | Gemini for Education (Workspace, incl. under-18s) | Microsoft 365 Copilot |
|---|---|---|---|
| Staff rating | Green Processor, no training on inputs, UK/EU storage or stated transfer safeguards, school DPA available | Amber Doesn’t say where data is stored | Green Processor, no training on inputs, UK/EU storage or stated transfer safeguards, school DPA available |
| Pupil rating | Amber Minimum age not stated | Amber Doesn’t say where data is stored | Amber Minimum age not stated |
| Main use | General AI assistant / chatbot | General AI assistant / chatbot | General AI assistant / chatbot |
| SupplierThe company that makes and runs the tool. | OpenAI | Microsoft | |
| CategoryWhat sort of tool it is, for example a chatbot or a lesson-planning helper. | general chatbot | chatbot | general chatbot / productivity |
| Pupil-facingWhether pupils use it directly, or only staff. Pupil use needs extra care. | not stated | yes - all ages, stricter content policy for under-18s | not stated |
| Processor or controllerA processor only uses data on your school’s instructions. A controller makes its own decisions about the data, which means your school has less say. | processor (OpenAI Data Processing Addendum s.1.1) | processor (Core Service) | processor |
| Where data is storedWhich country the data is stored in. UK or EU storage is usually simpler for schools. | UK data processed by OpenAI OpCo, LLC (US) under the SCCs with the UK Addendum (DPA s.4.2); storage region not stated | not stated | stored at rest in the tenant's geography (UK for UK tenants) under Microsoft 365 data residency commitments, with no Copilot-specific exceptions listed; transfers under the Products and Services DPA (SCCs) |
| Trains AI models on inputsWhether what you type (or upload) may be used to improve the supplier’s AI. “No” is what you want for anything about pupils or staff. | no by default unless explicitly opted in | no - not human reviewed or used to train | no - prompts, responses and Graph data not used to train foundation models |
| How long inputs are keptHow long the supplier keeps what you type before deleting it. | not stated | not stated | not stated |
| Data processing agreement (DPA)The data processing agreement: the contract that sets out how the supplier must look after your school’s data. | Link | Link | Link |
| Signs individual DPAs with schoolsWhether the supplier will sign a data agreement with your school specifically, rather than just standard online terms. | yes - DPA forms part of the OpenAI Services Agreement | not stated | yes - Microsoft Products and Services DPA applies to all customers |
| UK GDPR representative / DPOWhether the supplier names a data protection officer or UK representative you can contact about data questions. | not stated | not stated | not stated |
| Minimum ageThe youngest age the supplier allows to use the tool. Check this before any pupil uses it. | not stated | not stated | not stated |
| Key safety noteAnything else worth knowing, such as admin controls or content filtering. | not stated | under-18s: no file upload, Deep Research, Live; Workspace with Gemini add-on 18+ | respects permissions, sensitivity labels, retention, audit |
| Research statusHow complete our research on this tool is. | sourced | sourced | sourced |
| Last checked | 2026-10-23 | 2026-10-23 | 2026-10-23 |
Ratings are a rules-based summary of each supplier’s published terms. Not legal advice. How we rate tools