Part of the reason, despite being long-lasting and durable, parents have opted for Clarks school shoes for their children is that almost every Clarks design of school shoes has been classed as "acceptable" shoes in line with most primary and secondary school uniform policies. In recent years, notably in mid–2010s, schools have reviewed their uniform policies and have instead identified a few of Clarks' designs for school shoes as being "unacceptable" and not complying with the school uniform policy of the school.