The Friern Barnet Grammar School was a small private day school for boys located on Friern Barnet Road, North London.

Friern Barnet is a suburban area within the London Borough of Barnet, 7.4 miles (11.9 km) north of Charing Cross. Its centre is formed by the busy intersection of Colney Hatch Lane, Woodhouse Road and Friern Barnet Road.