Complex sentence: However his first real prestigious project was the planning of the Bole Hill Board School at Walkley, at that time Sheffield was in a flurry of school building as a result of Forster's Education Act of 1870.
Split into simpler sentences: However his first really prestigious project was the planning of Bole Hill Board School at Walkley. At that time Sheffield was in a flurry of school building as a result of Forster's Education Act of 1870.