Now now everybody, play nicely. These dedicated professionals do a wonderful job that deserves a sabatical now and again, even if it is every 5 1/2 weeks. The externally validated exam results improve year on year, demonstrating, conclusively, that your children are learning ever more stuff.
Sadly, this does not include being able to read, write or demonstrate a grasp of geography or British history but, clearly, there is more to a modern education than we outsiders comprehend.