St Bernard's Convent High School is a girls Catholic bilateral secondary school located in Westcliff-on-Sea, Essex, with a mixed sixth form.

[1] There has been a Catholic school on the site since 1875, however it was in 1910 that St. Bernard's Convent High School was created on the premises for young ladies by a group of Bernardine Sisters.

St Bernard's school celebrated its centenary in 2010.

Below the diamond reads "Dieu Mon Abri" meaning "God Is My Shelter" in French.

These houses are: "A", "C", "F", "M" "R" and "H", which stand for Annay, Clairvaux, Fountains, Melrose, Rievaulx and Hyning, these being abbeys or monasteries which are in some way connected to Saint Bernard.