This document provides guidance on planning and forecasting a school budget effectively over a 3-5 year period. It discusses the benefits of budget planning, including reduced financial risks, ensuring the right resources are available to support curriculum needs, and maintaining a good reputation through sound financial management. The document then outlines the key stages in budget preparation, including assessing historical spending patterns, modeling income and cost scenarios based on factors like funding amounts, pupil numbers and characteristics, curriculum requirements, and staffing costs. It emphasizes creating a range of budget forecasts to account for uncertainty and determining a realistic 3-5 year outlook. Accessing budget planning tools can make the complex process quicker, easier and reduce errors.