According to Woolfolk (2005) cognitive development is a person’s mental capacity to engage in reasoning , thinking ,interpretation , understanding ,knowledge acquisition , remembering ,organizing information ,analysis and problem solving”. This means that is a progressive reorganization of mental processes as a result of biological maturation and environmental experiences .
According http//en.wikipedia.org/secondaryschool , a secondary school is an educational institution for students in intermediate between primary school and college or university .This reveals that a secondary school offers technical , vocational , college or university preparatory curricula .
In Piaget’s view early cognitive development involves processes based upon actions and later progresses into changes in mental operations .Piaget believed that cognitive development is cumulative , that is understanding a new experience grows out of a previous learning experience .
Piaget’s theory of cognitive development states that it takes place in several distinct stages which roughly corresponds to age with its own distinct characteristics. The basic assumption of this approach is that it is qualitatively different. Hayes (1993:117) postulates that according to Piaget, the child develop new ways of thinking which had developed out of what went before, but which were different from previous ways. According to Piaget (1954) our thinking process change radically though slowly from birth to