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
History of education in England their children to work if the opportunity to earn an extra income was available. Attendance officers often visited the homes of children who failed to attend school, which often proved to be ineffective. Children who were employed were required to have a certificate to show they had reached the "educational standard". Employers of these children who were unable to show this were penalised. The "1891 Elementary Education Act" provided for the state payment of school fees up to ten shillings per head, making primary education effectively free. The "Elementary Education (School Attendance) Act 1893" raised the school leaving age to