The register
Caistor Grammar School, Market Rasen, Lincolnshire, holds a Home Office sponsor licence on the Charity Worker route, and has been on the register since at least 2026. Rating on the current register: Temporary Worker (A rating).
Companies House lists it as Caistor Grammar School, number 07330058, incorporated 2010: 16 years of filings behind the name. The registered office is at Church Street, Caistor, Market Rasen, Lincolnshire, LN7 6QJ, LN7 6QJ. Its filed activity puts it in education. It has traded under other names before, including Caistor Grammar School Limited.
Holding a licence is the expensive, slow part done. For Caistor Grammar School the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.