The register
Cranbrook School is licensed to sponsor on Charity Worker and Skilled Worker. Its entry on the register dates back to at least 2026, and the organisation is based in Cranbrook, Kent. Its rating on the register is Temporary Worker (A rating), Worker (A rating).
Companies House lists it as Cranbrook School 1896 Limited, number 10056540, incorporated 2016: 10 years of filings behind the name. The registered office is at Shakespeare House 267 Cranbrook Road, Ilford, IG1 4TG, IG1 4TG. Its filed activity puts it in construction.
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.