Corporate Hilden Grange School 1934- Hilden Grange School was founded in 1934 in Tonbridge, Kent by the Gracey Family. In 2005 the school transferred to the Girls' Day School Trust. Girls' Day School Trust GB/366/611 25/09/2008 Mkklibyz 25/09/2008 Mkklibyz Girls' Day School Trust; Hilden Grange School; 1934- Hilden Grange School ae71a1d3-a3d7-4abe-9d8d-5a693e8a18db