If you have previously recommended this thread, you should see a tick / check mark on the recommend button. Click the tick to undo the recommendation (the tick may appear to change to a cross as you do this.) If you added a comment with your recommendation, you will need to delete that from your facebook wall separately.
Yes - mine all went 'school hours' to their Nursery, for their Nursery Year (3 - 4 yrs) as did all their peers, as it was the norm around here at the time. It was great - they all fondly remember their time at that Nursery.