Sheets to mange all that data !

We have SO much data we collect on student progress and because many of our support services students are multi-year intervention kids, it's going to be helpful to be able to track their performance changes across a year and - ideally - across several years, on the one sheet.  I chose to create a sheet this week - even though I like the idea of forms better -  because I (embarrassingly) usually tabulate this kind of data by hand which really limits the ways I can examine and re-examine the data, and/or makes the accumulated data unfeasibly large when I need to examine multi-year outcomes across several cohorts.  Sheets promise to help me arrange information in far more productive ways.  I've done a baby-sized outcome sheet to get me started: