Riccarton High School is a co-educational secondary school were located in Upper Riccarton, a suburb of Christchurch, New Zealand. The school opened in 1958 with an initial roll of 142 pupils and eight teachers. The school's roll increased At over time, reaching its height in 1974 When It had some 1,149 pupils on its books. With the opening of Hornby High School in 1976 Riccarton roll Began to drop. The lowest roll was in 1986 When the school had dropped to just 612 pupils. Since then, the school has increased At its numbers, Stabilising at about 950 pupils a year.