Old Deluder Satan Law

The Massachusetts School Laws were three legislative acts of 1642, 1647 and 1648 enacted in the Massachusetts Bay Colony. The most famous by far is the law of 1647, also known as the Old Deluder Satan Law (after the law's first sentence) and The General School Law of 1642. These laws are commonly regarded as the historical first step toward compulsory government-directed public education in the United States of America. Shortly after they passed, similar laws were enacted in the other New England colonies. Most mid-Atlantic colonies followed suit, though in some Southern colonies it was a further century before publicly funded schools were established there.

The law was one of a series of legislative acts directed at public education in the colony. The first Massachusetts School Law of 1642 broke with English tradition by transferring educational supervision from the clergy to the selectmen of the colony, empowering them to assess the education of children "to read & understand the principles of religion and the capital laws of this country." It held parents and masters responsible for their children's and apprentices' ability to read and write, stressing education rather than schooling. However, its implementation appears to have been somewhat neglected. Probably in response to this, the 1647 law was enacted by the Massachusetts General Court to impel the towns of the colony to found, operate and fund schools.

The 1647 legislation specifically framed ignorance as a Satanic ill to be circumvented through the education of the country's young people. It required every town having more than 50 families to hire a teacher, and every town of more than 100 families to establish a "grammar school". Failure to comply with the mandate would result in a fine of £5. The grammar school clause was intended to prepare students to attend Harvard College, whose mission was to prepare young men for the ministry.

The rationale for the law reflected the Calvinist Puritan ethos of the time and in particular the influence of the Reverend John Cotton, who was a teacher in the First Church of Boston and one of the Massachusetts Bay Colony's most influential leaders. The Puritans sought to create a literate population to ensure that, as the law put it, "ye ould deluder, Satan" could not use illiteracy to "keepe men from the knowledge of ye Scriptures." Their religious beliefs emphasized the view that personal knowledge of the Scriptures was an essential requirement for temporal living and eternal salvation. The statute also endorsed the principle that the interpretation of the Scriptures should be done under the aegis of proper authority, namely the Puritan leaders, in order to avoid "false glosses of saint seeming deceivers".

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