The wrong way When I first started developing in BI I worked on single schools and MAT demo systems with tiny numbers of students so my approach to data modelling was chuck data in however it comes then play with relationships until the configuration works. When I switched to developing for a large MAT (c40k kids in 50 schools) I found out the hard way the limitations of this approach-my measures and reports were unusably slow. As well as the sheer volume of data I had problems because the MAT wanted a report on pupil demographics, attendance and exclusions with historical accuracy- ie not only seeing data for who's FSM, PP etc today but for any point/period in the past as well. This divides your pupil contextual factors into two types; unchanging, like ethnicity, EAL & KS2 prior attainment that don't change and so can stay on the students table, and changeable, like Pupil Premium eligibility, that can vary depending on the date range you're looking at. My original
Hello - how can I view this dashboard?
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