GridKa School/Swiss Grid School is hosted by Steinbuch Centre for Computing of Karlsruhe Institute of Technology (KIT). It is organized by KIT, the Swiss National Grid Iniative (SwiNG) and the HGF Alliance "Physics at the Terascale". The school cooperates with the European Grid Initiative (EGI), the European Middleware Initiative (EMI) and the Initiative for Globus in Europe (IGE). It offers a broad range of topics, which are chosen from the realm of these projects and beyond. About half of the school consists of hands-on tutorials and workshops, giving participants the possibility to gain actual expertise on different kinds of middleware, applications and techniques. Because these tutorials are offered in parallel tracks, GridKa School practicals cover topics well suited for beginners, experienced users and grid administrators. The high grade talks and presentations give an up-to-date overview on important and interesting grid and cloud computing subjects. The program is completed by a 'get together' event (incl. a guided tour of the German WLCG Tier-1 center 'GridKa'), a school dinner and a grid security workshop; the latter is targeted at administrators. Applicants from all scientific and industry disciplines are welcome to register online: http://www.kit.edu/gridka-school The preliminary schedule is available online. Until June 30th, registrants can take advantage of an early bird discount. The organizing team reserves the right to limit the number of participants if necessary.