when did it become a law to go to school
Compulsory education In 1918, Mississippi was the last state to enact a compulsory attendance law.[21]
Raising of school leaving age in England and Wales In England and Wales, this age has been raised numerous times since the introduction of compulsory education in 1870. On 1 September 1972, the age was raised from 15 to 16, following preparations which began eight years earlier in 1964. This left a gap year of school leavers who, by law, had to complete an additional year of education from 1973 onwards.