Data is everywhere, but pupils rarely get to see how messy it can be or how easily it can be misused. Data visualisation is a clear, classroom ready 6 lesson unit for Year 8 pupils that takes them from quick surveys to confident conclusions, with a strong focus on accuracy, fairness and decision making. Pupils explore what counts as data, where it comes from and how patterns, outliers and bias can change the story. They design a five question Google Forms survey, collect responses then turn them