Worcestershire schools in the county provide Sixth-form education including two in the city of Worcester. Several vocational colleges provide GCSE and A-level courses and adult education, such as South Worcestershire College, and an agricultural campus of Warwickshire College in Pershore. There is also the University of Worcester, which is located in the city itself and is home to the National Pollen and Aerobiology Research Unit and five other national research centres. The county town and only city is Worcester. The other major settlements, Kidderminster, Bromsgrove and Redditch are satellite towns of Birmingham. There are also several market towns: Malvern, Bewdley, Evesham,
Economics of English towns and trade in the Middle Ages set of taxes that could be raised by the towns, including murage for walls, pavage for streets or pontage, a temporary tax for the repair of bridges. Combined with the "lex mercatoria", which was a set of codes and customary practices governing trading, provided a reasonable basis for the economic governance of the towns. The 12th century also saw a concerted attempt to curtail the remaining rights of unfree peasant workers and to set out their labour rents more explicitly in the form of the English Common Law. This process resulted in the Magna Carta explicitly authorising feudal landowners to