 The brewhouse was converted into the school chapel in 1889 and classrooms were added in 1892.The school formally amalgamated with the neighboroughing Homefield Girls' School, with which it had long had a connection, in 1992 with Bilton Grange becoming co-educational and the Homefield School building becoming the Pre-Prep department for children aged 4 to 8.Bilton Grange has always been a boarding school but in more recent times has accommodated an increasing number of day children, many of whom take advantage of the opportunity to flexi board and become weekly or full boarders during their time at Bilton Grange.