A study of the Extended-Service Schools Initiative, which supported the creation of 60 after-school programs in 20 communities around the country which adapted one of four out-of-school time models- the Beacon, Bridges to Success, Community Schools, and the West Philadelphia Improvement Corporation- to determine the characteristics of the children that attended these out-of-school programs, the high-quality activities offered at each, the benefits for participating youth, and the costs and financing surrounding these programs