News Corp subsidiary TSL Education whose core asset is the Times Educational Supplement is rumoured to be for sale. With revenues of £56m and profits of £23m, the value of the company has been estimated at between £210 and £250m. Allen & Co, the New York investment bank are managing the deal. Allen & Co are perhaps best known in investment circles for their famous Sun Valley conference where past attendees have included Rupert Murdoch and Bill Gates.