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In page Chappaqua, New York:

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Small, one-room schoolhouses devoid of windows were prevalent in the 1800s. In the Chappaqua region, there were eight such schoolhouses.[citation needed] These small schools prevailed until around 1870, when the Quakers built a large school called the Chappaqua Mountain Institute on Quaker Street. In the year 1885 the school caught fire,[1] and much refurbishing was done, with the addition of two new wings. It was sold in 1908 and the school's property is now owned by Children's Aid.