| Grenville Secondary School | |
| Motto: | Una Amore Aedificare |
| Established: | 1983 |
| Principal: | Mr. Kwame Hypolite |
| Teaching Staff: | >20 |
| Enrollment: | 400-500 |
| City: | Grenville |
| Province: | St. Andrews |
| Country: | Grenada |
| Coordinates: | 12.1199°N -61.6265°W |
| Colors: | Orange, Black |
Grenville Secondary School is a co-educational institution located in Grenville, St. Andrews parish, Grenada. Founded in 1983, it has a student population of 400 to 500 students and a teaching staff of over 20. The school's motto is 'Together We Build in Love' (Latin: Una Amore Aedificare).
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.[2]