The University of Birmingham is the main university in the region and has the most funding. It has a large research grant, as does the University of Warwick, which is the next largest in terms of funding. Birmingham and Warwick are members of the Russell Group of public research universities. Keele and Aston have a moderate research grant, but none of the other universities do. Keele, although having the largest campus in the UK (by area), is one of the smallest universities in the region. There are medical schools at Warwick, Keele and Birmingham. Birmingham and Warwick receive more than twice as much total income than any other university in the region – around £400 million each.