The puzzle icon is shown at one of Milton Keynes' educational establishments, in this case St Pauls RC School in Leadenhall.
However, the cache is not at this location. Please do not attempt to park or search there. It is private land.
As with all of this series, we are available for mentoring and support by email on request.
GCSEs were introduced into secondary schools in England in 1986 to replace the previous GCE "O" Levels and CSEs. They are available in a bewildering array of different subjects in a number of distinct categories. Ancient Greek sits in the Classics category.
Passing this examination will reveal Bonus Code D for MK Schooldays: Graduation Day.
Ancient Greek Examination: Time Limit Aeons
The cache can be found at:
Αρκτος νβo α.τλδ
Bear in mind that Ancient Greeks had no concept of GPS coordinates and no meaningful words for minutes or seconds, so the examiner is struggling to do this properly, but hopefully you will get the picture.
The final cache is a 450ml clip lock box covered in black duck tape. It contains a small log book and pencil/pen. Please, as ever, take care to replace the cache as you found it.
As you will most likely solve this at home before venturing out, the final cache is placed where the calculated coordinates appear to be on GoogleMaps. This may be a few feet from where your GPS thinks it is.
We hope you enjoy your studies and that you get the grades you need.