Margaret Edgington (formerly known as Margaret Lally) is a freelance early years consultant who leads, or contributes to, in-service courses for early years staff throughout the UK. She also works as a consultant helping senior management teams and early years practitioners to evaluate and develop their practice. She trained as an early years teacher, and has taught in infant as well as nursery classes. However, she is a specialist in work with 3-6 year olds. Her experience has included educational home visiting; lecturing on an NNEB course; work as an early years co-ordinator in two ILEA divisions; headship of a new nursery school in inner London; and work as a development officer at the National Children's Bureau, Under Fives Unit.

She has authored and contributed to numerous books and other publications, is an active member of the Early Years Curriculum Group, and is a Vice President of the National Campaign for Nursery Education and of Early Education.