Original sentence: The school has also sold the car-park, basketball court and the Astroturf in 2007 for a rumored £8.5 million.The school have purchased a nearby building in 2007 which is to become part of school grounds in 2009-2010 onwards
Edited sentence: It became a part of the school grounds in 2009-2010 onwards.The school has also sold the car-park, basketball court and the Astroturf in 2007 for an estimated £8.5 million.The school regained the west wing building of the school in 2007, after its 100 year lease as the Shoreditch Magistrates Court ran out