I left in 72 as well. Jack Liddell was pretty brutal but he got results. I had no idea about maths but somehow got a decent O Level.
On the subject of the mural, I recognised Tabrett, Ned Land and Poxy Baxter but the others were probably from the 50s or early 60s?
When I was at Hove Grammar there was a bomb scare and we were all told we had to leave our lessons and assemble on the field at 11.45 because according to a warning that had been received, the alleged device was due to explode at noon. As midday approached 500 or so devout prayers were being...