(This post is by Andrew Blair, Head of IT Services and Solutions, Zurich International School) With over 1200 K-12 students and 280 employees, Zurich International School is an International Baccalaureate (IB) Organization World School and is accredited by the New England Association of Schools and Colleges (NEASC) Commission on International Education. ZIS is also approved by the Department of Education of the Canton of Zurich, Switzerland. It delivers a strong academic program, centered around the traditional core disciplines, preparing students for entrance into colleges, universities, or other institutions. Due to an increasing collection of academic performance data from various internal and external sources, ZIS is continually seeking ways to improve the collation, correlation and readability of separate data sets for the purpose of informed decision making. Internal data sources include teacher-assessed subject grades, descriptors for standards and achievement levels for i...