The Saye and Sele Foundation is a charitable organisation serving the parishes of Quainton and Grendon Underwood in Buckinghamshire. It offers grants, typically up to £750, to residents under 25 to support educational pursuits and life skills development, including university and college expenses, apprenticeship costs, training courses, and equipment for work qualifications. The Foundation also owns the Saye and Sele Hall in Quainton, which serves as a venue for local groups and activities, and maintains playing fields in both villages.