Who are in the picture above?

The pupils at a school were dressed into their head master, Peter Sadler as a memorable treat for him.

Why are they doing this?

Because their head teacher was going to leave after his 18 years of organizing this school.

Where did they made this big surprise?

At a school in the Midlands ~ St Mary's Primary.

When did this happened?

This happened on the last day of Mr. Sadler at his school.

What did he see that made him jump?

In front of him stood students that were dressed with beards saying goodbye. Thanks goodness he saw the funny side because students will be in trouble for dressing as their head teacher.

What did he say about that special surprise?

"It was a wonderful joyful assembly - a lovely way to end the week."

Link:
http://news.bbc.co.uk/cbbcnews/hi/newsid_7690000/newsid_7697000/7697020.stm