China Unicom will begin offering Micro SIM-sized “USIM” cards for the iPad beginning tomorrow, September 1, according to a new report. Chinese-language Sina reports (Translated Link) that the card is primarily aimed at customers importing iPads from other markets, as the official launch date for the iPad in China has yet to be announced. The Cedars School of Excellence in Greenock, U.K., has moved all its students away from pen and paper…