The McKinney-Vento Act defines homeless children and youth as individuals who lack a fixed, regular, and adequate nighttime residence. This definition also includes:

• Children and youth who are sharing the housing of other persons due to loss of housing, economic hardship, or a similar reason
• Children and youth who may be living in motels, hotels, trailer parks, shelters
• Children and youth who have a primary nighttime residence that is a public or private place not designed for or ordinarily used as a regular sleeping accommodation for human beings
• Children and youth who are living in cars, parks, public spaces, abandoned buildings, substandard housing, bus or train stations, or similar settings, or
• Migratory children who qualify as homeless because they are children who are living in similar circumstances listed above