refreshed weekly and retrained about every 18 months because the NEET cohort changes at the end of every school year or the following September. The internal code of the model is also updated, though this was last done two to three years ago. The objective of this maintenance is to keep the data as accurate and relevant as possible, to build credibility and trust with users. NEET Model Inputs Attendance Model The inputs are 32 summary statistics (sum, mean, variance, slope) derived from indicators in the TFD over the last 6 and 12 months, including 12 variables for attendance in each month of the past year. Also included are data relating to educational attainment, children’s social care, early help, DWP (financial data from people receiving universal credit), GP registrations, housing information (such as accessing homelessness support or being in rent arrears), police. Attainment Model The data are 11 variables that measure income deprivation and learning progress at school. These data include 2 variables that indicate special learning needs and free school meals. Deprivation measurement is based on the index of multiple deprivation of the child’s neighbourhood. Learning progress is measured by standard tests (reading/writing/maths) given at key stages of the National Curriculum in England and Wales. Social Finance Limited +44 (0) 20 7770 6836 87 Vauxhall Walk, London SE11 5HJ socialfinance.org.uk 93 Supporting Families Model The data are 140 variables that identify a child or family member of a child with an indication of vulnerability, and how recently this has been indicated. There are 35 vulnerability indicators including: criminal offences, anti-social behaviour, school exclusion or persistent absence, benefit cap, rent arrears, claims for free school meals, vict