Contact ClassDiagnostix
Use this form for support, sales, billing, accessibility, security, data protection, or general enquiries.
Registered office: Class Diagnostix Ltd, 124 City Road, London, EC1V 2NX, UK.
Do not include pupil data in this form.
Please do not submit pupil names, marks, spreadsheets, reports, safeguarding information, medical information,
special category data, or other sensitive personal data. If support needs a file later, we will agree a safer
route with you.