In the Upper Primary School (grades 3,4) children begin to use their acquired skills in language and mathematics to take the cognitive problem solving initiatives. At this Montessori Schools in Horamavu, the CBSE curriculum incorporates social studies and science in addition to previously taught subjects. Attention is given to attain a requisite level in each subject through independent and collaborative learning. Care is taken by teachers to ensure whole-class learning and the purpose of assessment is to reflect the quality of the students' understanding of concept