 The school is situated to the west of Finchley's High Road (A1000), and immediately to the east of that stretch of the Northern Line which constitutes the school's western boundary.Lying adjacent to the postcode boundaries of Whetstone (N20) and Woodside Park (N12), it is roughly halfway between Woodside Park and Totteridge & Whetstone Underground stations.Finchley Catholic Grammar School was founded in 1926 by the redoubtable Canon (later Monsignor Canon) Clement Henry Parsons (1892–1980), parish priest of St. Alban's Catholic Church, Nether Street, North Finchley.