The document discusses five main issues that affect the quality of and access to education in developing countries: 1) Economic barriers where fees prevent children from attending school, 2) Conflict barriers such as war and violence disrupting schooling, 3) Climate change barriers like natural disasters damaging schools, 4) Gender barriers with girls often unable to attend, and 5) Language barriers when instruction is not in a child's native tongue. Completing primary/secondary education has benefits for both children and society by improving future job prospects and overall development.