In 2005, then-principal Martin Rostron said he believed the college has been criticised for selecting only the best students, which he denied, saying that Greenhead took those of all abilities.Two tennis courts were replaced in early 2012 to make way for a new maths and science building, opened by the Duke of Kent.Many enrichments[13] (extra curricular activities) offered by the college are done off campus due to the lack of outdoor space owing to the proximity to Huddersfield town centre.An application was submitted to the Learning and Skills Council in July 2009 with construction works commencing January 2010 for a duration of 2 years.The Hirst building is a £25 million project funded by the Department for Education and built in collaboration between construction companies Galliford Try and Mace.[15] Greenhead is well praised for its enrichment programmes which encourages pupils to partake in extracurricular activities designed to build students character, their personal, sporting and social interests and prepares them more effectively both for higher education and future employment.There are a huge variety of courses for students to choose form including The Duke of Edinburgh's Award, sports, music and drama, information technology, voluntary services and The World Challenge; additionally students are free to start new courses on the proviso they can gain enough support for them.Work shadowing placements include medical, political, scientific and language based jobs, usually at a senior level within the respective companies.