live music, dance, public sculpture, street performance and art exhibitions. Salisbury also houses a producing theatre, Salisbury Playhouse, which produces between eight and ten plays a year, as well as welcoming touring productions. Salisbury Museum The Salisbury Museum is housed in the King's House, a Grade I listed building whose history dates back to the 13th century, opposite the west front of the cathedral. The permanent Stonehenge exhibition gallery has interactive displays about Stonehenge and the archaeology of south Wiltshire, and its collections include the skeleton of the Amesbury Archer, which is on display. The Pitt Rivers display holds a collection from General Augustus Pitt Rivers. The costume gallery showcases costume and textiles from the area, with costumes for children to try on while imagining themselves as characters from Salisbury's past. The former home of Sir Edward Heath, Arundells in the Cathedral Close, is now open as a museum. Twin towns and sister cities Salisbury has been twinned with Saintes, France, since 1990 and with Xanten, Germany, since 2005. Salisbury is also a sister city of Salisbury, North Carolina and Salisbury, Maryland, both of which are in the United States. Education There are several schools in and around Salisbury. The city has the only grammar schools in Wiltshire, South Wilts Grammar School for girls and Bishop Wordsworth's School for boys; since September 2020, both have mixed sixth forms. Other schools in or near the city include Salisbury Cathedral School, Chafyn Grove School, Leehurst Swan School, the Godolphin senior and prep schools, Sarum Academy, St Joseph's Catholic School and Wyvern St Edmund's. Sixth form education is offered by Salisbury Sixth Form College, while the Salisbury campus of Wiltshire College offers a range of further education courses, as well as some higher education courses in association with Bournemouth University. Sarum College is a Christian theological college, within the Cathedral close. Transport Road The main transport links for the city are the roads. Salisbury lies on the intersection of the A30, the A36 and the A338 and is at the end of the A343, A345, A354 and A360. Car parks around the periphery of the city are linked to the city centre by a park and ride scheme (see details in the bus section below). The A36 forms an almost complete ring road around the city centre. The A3094 comprises the southwestern quadrant of the ring road, passing through the city's outer suburbs.