Olivia B. Waxman is a staff writer at TIME. She covers history and education. More From TIME ...

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A single parent is someone who is unmarried, widowed, or divorced and not remarried. The single-parent household can be headed by a mother, a father, a grandparent, an uncle, or aunt. According to ...

A single parent is someone who is unmarried, widowed, or divorced and not remarried. The single-parent household can be headed by a mother, a father, a grandparent, an uncle, or aunt. According to ...

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