If you enjoyed/hated going to Sunday School, Robert Raikes is the person to credit/blame.
He started his first Sunday School in 1780 and, by 1831, Sunday Schools were teaching 1,250,000 children a week. The original purpose of Sunday Schools, to teach children who wouldn’t otherwise get an education, was largely superseded by the 1870 Education Act.
Photo by, Robert Freidus, of the bronze statue of Raikes made by Sir Thomas Brock in 1880, which stands in Victoria Embankment Gardens, London. Read more at this link.