| First Island Montessori School (FIMS) | |
| Streetaddress: | First Island Close, Opposite Mayfair Gardens |
| City: | Ibeju-Lekki |
| State: | Lagos |
| Country: | Nigeria |
| Type: | International - |
| Gender: | Mixed |
| Houses: | 2 |
| Colors: | Blue & Grey |
| Motto: | Skills for life |
| Website: | First Island Montessori School (FIMS) - Official Website |
First Island Montessori School (FIMS) also known as "First Island", was established in 2014 to provide a British curriculum in a Montessori setting in Lagos, Nigeria. It is run by the multinational education company, M, M & M Educational Firm, as a branch of First Island Schools.
The school is a co-educational international school for children aged from 24 months to 11 years. Its current head of school is Peace Nwobudu Ideozu B.Ed