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 began to increase sharply. By 1297 a hundred and twenty new towns had established and in 1350, by when the expansion had effectively ceased, there were around 500 towns in England. Many of these new towns were centrally planned - Richard I created Portsmouth, John founded Liverpool, with Harwich, Stony Stratford, Dunstable, Royston, Baldock, Wokingham, Maidenhead and Reigate following under successive monarchs. The new towns were usually located with access to trade routes, rather than defence, in mind. The streets were laid out to make access to the town's market convenient. A growing percentage of England's population lived in urban