Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A. Because the educational institution's teaching staff is actively involved.

B. Curricular or academic activities refer to activities that cover the specified courses of study.

C. These exercises are an essential component of the overall educational curriculum.

D. In layman's terms, ‘curricular activities’ are activities that take place within the classroom.