the girls' choir. Hereward Hall is a boys' boarding house; previously sited opposite the Porta, it is now on Barton Square in Ely on the site of the old Cambridge theological college. It contains about 55 boys. School House, previously known as Headmaster's House as it was where the Headmaster lived, is the other boys' boarding house. It is on the Gallery, the road leading to the west end of the cathedral and houses about 60 boys. According to the school's official website, it is the "oldest inhabited residential building in Europe", although the veracity of this is uncertain. In the 1950s it also housed the refectory which then became the library which had been in the tythe barn. Etheldreda, previously called Canonry and housing boys under eleven years old, is now a girls' boarding house, established in September 2006 for the Girls Choir of Ely Cathedral, mostly senior school pupils. The house is located close to the cathedral, providing easy access for practice and performance. Hill House, situated on the corner of Barton Square and Back Hill, was until recently a boys' boarding house, being converted to housing girls as their numbers swelled. Two houses were formed on the introduction of girls into the school, Etheldreda and Withburga, the latter to house day pupils. Until September 2006, when the girls' choir house was formed, Etheldreda was the only girls' boarding house but is now the largest of all. Originally situated on Cambridge Road, it has moved to Hill House and been renamed. The current Etheldreda house was originally known as Canonry when it first split from Etheldreda (now Hill). Wendreda house was created as a dedicated boarding house for girls in years 9-11. In the most recent Ofsted report of boarding at the school, inspectors reported that "the school provides very good care and support to boarders and there was an obvious caring culture within the boarding houses" although they said that "the school would benefit from harmonising boarding practices across the entire boarding provision." Day houses There are four-day houses in the senior school. Students are assigned into studies, usually with 3 or 4 others, although the number usually decreases as the pupil moves into higher years. In these studies there is a work space and storage area. There are various activities annually between houses, including sports and Ely Scheme competitions. There is also a debating competition, quiz