Parents and guardians are encouraged to send their children to school. The Institute of Education, also part of the university, provides teacher training. A school of nursing is in Freetown. Economy Subsistence farming is the way of life for the majority of Sierra Leone's population. Less than 10 percent of the land is available for cultivation.
Rice is the staple food crop.
Other major crops are coffee, cocoa, oil palm, cassavas, millet, and peanuts. Livestock raising is a significant source of income. About a third of the land is under permanent pasture. Cattle raising is concentrated in the north. One of the world's largest producers of industrial diamonds and gemstones, Sierra Leone also produces iron ore, bauxite, and rutile.