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 Except for the years of the Anarchy, most military conflicts either had only localised economic impact or proved only temporarily disruptive. English economic thinking remained conservative, seeing the economy as consisting of three groups: the "ordines", those who fought, or the nobility; "laboratores", those who worked, in particular the peasantry; and "oratores", those who prayed, or the clerics. Trade and merchants played little part in this model and were frequently vilified at the start of the period, although increasingly tolerated towards the end of the 13th century. After the end of the Anarchy, the number of small towns in England