St Hilda's School was a private day school for girls aged 3–16 and boys up to age 11 in Westcliff-on-Sea, Southend-on-Sea, Essex, England.

St Clare's soon outgrew its premises and new buildings in Westcliff-on-Sea were purchased.

[2] St Hilda's School was foreclosed and closed on short notice in the summer of 2014.

[3] The Echo newspaper reported that the school may have closed due to highly increasing levels of debt in its final years.

Its headteacher Susan O'Riordan and financial director Steven Gorridge had both resigned as directors from the management board of the school on 30 April 2014.