loyiso gana has always been a tidy kind of guy.but recently hes been particularly eager to make a smart impression. >> when i finish school i want to be a scientist because i am interested in social sciences, history. i want to investigate the history of this land. because it gives me identity, i just want to know myself. >> he has a one-hour journey to school every morning. its the only secondary school for miles around and located in the village of mvezo, the birthplace of the man whose name it proudly bears, nelson mandela. loyiso is a little late today. morning prayers have already commenced. the mandela school of science and technology represents a great opportunity for loyiso and his 420 fellow-pupils: the chance to qualify for college. many of the children have to learn english first, and nearly all are sitting at a computer for the first time. learning key skills for a promising future. >> my dreams in life are i want to be an engineer to build houses for some poor people in some villages. >> i have a dream to be a doctor b