Robert was a pioneer of the Sunday school movement, although he did not start the first Sunday School. Some already existed such as that founded by Hannah Ball in High Wycombe which is the first documented known case. He inherited a publishing business from his father, becoming proprietor of the Gloucester Journal in 1757. He then moved the business into Robert Raikes' House in 1758. The movement started with a school for boys in the slums. Raikes had become interested in prison reform, specifically with the conditions in Gloucester gaol and saw that vice would be better prevented than cured. He saw schooling as the best intervention. The best available time was Sunday as the boys were often working in the factories the other six days. The best available teachers were lay people. The textbook was the Bible, and the originally intended curriculum started with learning to read and then progressed to the catechism.
Raikes used the paper to publicise the schools and bore most of the cost in the early years. The movement began in July 1780 in the home of a Mrs Meredith. Only boys attended, and she heard the lessons of the older boys who coached the younger. Later, girls also attended. Within two years, several schools opened in and around Gloucester. He published an account on 3 November 1783 of Sunday schools in his paper, and later word of the work spread through the Gentleman's Magazine, and in 1784, a letter to the Arminian Magazine. The original schedule for the schools, as written by Raikes was "The children were to come after ten in the morning, and stay till twelve; they were then to go home and return at one; and after reading a lesson, they were to be conducted to Church. After Church, they were to be employed in repeating the catechism till after five, and then dismissed, with an injunction to go home without making a noise." There were disputes about the movement in the early years. The schools were derisively called "Raikes' Ragged School". Criticisms raised included that it would weaken home-based religious education, that it might be a desecration of the Sabbath, and that Christians should not be employed on the Sabbath. Some leading ecclesiastics—among them Bishop Samuel Horsley—opposed them on the grounds that they might become subservient to purposes of political propagandism. "Sabbatarian disputes" in the 1790s led many Sunday schools to cease their teaching of writing. Notwithstanding all this, Adam Smith gave the movement his strongest commendation: "No plan has promised to effect a change of manners with equal ease and simplicity since the days of the Apostles." By 1831, Sunday schools in Great Britain were teaching weekly 1,250,000 children, approximately 25 percent of the population. As these schools preceded the first state funding of schools for the general public, they are seen as the forerunners of the current English school system.
