Orley Farm is a co-ed prep school for children from 4-13, located in Harrow on the Hill. It was originally a boys' school and founded in 1850 to prepare pupils for entry to Harrow School. The school provides a challenging environment for boys and girls to develop lively and enquiring minds and discover their potential. The curriculum is broad-based and there are many extra-curricular activities for the children to get involved in. In Year 4 all children take part in an exciting expedition week, at no extra cost. Orley Farm also has a unique programme to provide pupils with a range of activities to learn and experience different aspects of life, called the Edge Programme. The programme is subdivided into 5 sections: Work Place Skills, Service, The World Around Us, Life Skills and 13 Things to do before 13.