| Leon Hess Comprehensive Secondary School | |
| Motto: | Education for Service |
| Country: | Saint Lucia |
| Type: | Secondary School |
| Head: | Florence Gustave-Denis |
| Grades: | Form 1 - Form 5 (5 Years) |
| Gender: | Mixed |
| Age Range: | 11-16 |
| Enrollment: | ~700 |
| Houses: | Ellis, Jesse, Bourne, Leon |
| Colours: | Black, White and Green |
| Established: | 1985 |
| Authority: | Ministry of Education |
Leon Hess Comprehensive Secondary School is a secondary school located in Castries, Saint Lucia. The school was established on 26 October 1985 by a donation to the Saint Lucian government from Leon Hess. The school's present principal is Mrs. Florence Gustave-Denis and its first principal was Mrs. Jane Bourne. The school's team (house) colours are as follows:
Lewis, which was named after Sir. Arthur Lewis (blue), was changed to the Ellis house in October 2016; which was named after former principal Mr. Rupert Ellis.
Jesse which was named after father Charles Jesse (red).
Bourne which was named after Mrs. Jane Bourne (green).
Leon which was named after Mr. Leon Hess (yellow).
The school's motto is "Education for Service".