This is a full page report, but it still fails to highlight what the problem could have been, and the possible solution. It even fails to lay the blame anywhere!

We're that shallow.

Assuming that all headteachers have access to a computer with Internet access, what then is the reason some of them have not uploaded the data?
I'm assuming that it's a simple case of putting the data in an Excel spreadsheet with a defined format, which is then uploaded into NEMIS.

Someone needs to answer the question of why the system is being abandoned. Unless this news update is simple sensationalism.