Saa Emerson Lamina was born in Koidutown, Kono District, Eastern Sierra Leone, to a head teacher father and a midwife mother. He completed his primary education at the U.M.C. Boys School, Koidu City. Due to the civil war in the country, he attended various secondary schools, including Magburaka Government Secondary School for Boys in Magburaka. He completed a Bachelor of Arts (B.A.Ed) degree in Linguistics, and Double Master's degrees in Educational Administration (M.Ed.) and Peace and Development Studies (MA-PADS) from Njala University.
At Njala University, Lamina rose to the Presidency of Njala University Students Union Government and also served in other capacities, including as President of Kono Student's Union (KONSU); President of Magbaraka Old Boy's Association (MOBA); Coordinator of the Human Rights Clinic (NUC); Editor in Chief of Spectacle Press NU; and Director of Information of the National Union of Sierra Leone Students (NUSS).