Elementary Education Act 1870 further acts in 1876 ("the Sandon Act", which gave parents a legal obligation to ensure that their children were educated) and 1880 ("the Mundella Act") made attendance compulsory for children until they were 10 years old, with various exemptions. Many factory owners feared the removal of children as a source of cheap labour. However, with the simple mathematics and English they were acquiring, factory owners now had workers who could read and make measurements. Following continued campaigning by the National Education League, following the Elementary Education Act 1880, attendance to age 10 became compulsory everywhere in England and Wales. In
Raising of school leaving age in England and Wales government approaches towards education meant that it was no longer regarded adequate for a child to leave education aged 14, as that is the age when they were seen to really understand and appreciate the value of education, as well as being the period when adolescence was at its height. It was beginning to be seen as the worst age for a sudden switch from education to employment, with around 80% of children in 1938 leaving education at this age, many having only had primary-school level education. Although there were concerns about the effects of having less labour from these