Defining the job of the principal and assistant principal. Districts create clear, rigorous job requirements that detail what principals and assistant principals must know and do, and that emerge from what research tells us are the knowledge, skills and behaviors principals need to improve teaching and learning.
(2000 Census). According to Population Pyramid of the World the total population of Zambia is 15 519 000 in 2015, compared to only 2 340 000 in 1950. The proportion of children below the age of 15 in 2010 was 46.4%, 50.6% was between 15 and 65 years of age, while 3.1% was 65 years or older.
According to the International Human Development Index, Zambia's health index value of 0.464 indicates an unhealthy population. Life expectancies in Zambia are 21% shorter than the world average (73.84 years).