Update at 3:30 pm
We have seen no recurrence of the issues impacting some schools this morning, we will continue to monitor the schools, but believe this issue is now resolved.
11.59am
We are aware of an issue affecting an estimated 100 schools around the country. These schools are experiencing slow web browsing, and some may also be unable to browse at all.
We are investigating the cause of the issue, as well as confirming the schools who are affected, and will share more information as soon as it becomes available.