Rotherham College of Arts and Technology, Rother Valley Campus was formerly Dinnington Technical College and formerly a mining college. It's next to Dinnington Comprehensive School. It's a major further education establishment providing full time education for 16-18 years olds, part time courses for adults, apprenticeships and much more. The College offers a variety of courses from Animal Care and Management to Hairdressing to Motor Vehicle to Childcare and lots lots more. It's own website is here (opens a new browser window).
It's a part of Rotherham College of Arts and Technology which has a larger campus in the centre of Rotherham.
The picture below is from the hill overlooking Dinnington (in front of Tesco's). It shows the campus of RCAT (Rother Valley College of Arts and Technology) and how large and how many new buildings there are behind the original redbrick 'tech'.