Below you can find a link to the DfE's ready reckoners used to calculate and check Progress 8 and EBacc Value Added figures, as well as transition matrices for GCSE subjects (by KS2 prior attainment):
- Ready Reckoners: https://department-for-education.shinyapps.io/KS4-ready-reckoners/
- Transition Matrices: https://department-for-education.shinyapps.io/KS4-transition-matrices/