The pair, who both went to Wentworth Primary School in the town, recognised each other and struck up a conversation. At the time, Jagger was on his way to the London School of Economics carrying a pile of his favourite blues records, while Richards was heading to Sidcup Art College with his Hofner Cutaway guitar.

Dartford Borough Council unveiled the blue plaque during a small ceremony on February 5 with help from Mayor Avtar Sandhu and Dartford Grammar head John Oakes.