Jibrin, Abdullahi Tanko2023-12-102023-12-102015-01-01REFERENCES Ajala, J. A. (2002). Designing Content of the Curriculum. A guide to practice. Ososam Ibadan,Print Marks Venture. Anderson, E.V. (1956). Principles and Procedures of Curriculum. Ronald Press Company, New York. Ango, M.L. (1984). A Function Science Curriculum in the 6-3-3-4 tier Educational System in Nigeria. Nigerian Journal of Curriculum Studies 1,67 Bridget, L. Lee@ fc.mcps.kl2.md.ushttps://keffi.nsuk.edu.ng/handle/20.500.14448/287enCHALLENGES OF EDUCATION IN THE 21st CENTURY: ISSUES IN THE NIGERIAN SCIENCE CURRICULUM REFORMArticle