Grenville Secondary School is a co-educational institution located in Grenville, St. Andrews parish, Grenada.

The school's motto is 'Together We Build in Love' (Latin: Una Amore Aedificare).

[citation needed] On September 9, 1983, the Grenville Secondary School opened as Jeremiah Richardson Secondary School, with 116 students and six staff.

Within a month, the school's enrollment had increased to 186.

[1] Stephen Wall was the school's first principal.