School-based assessment is primarily based on the principle that

Options

A. assessment should be very economical
B. teachers know their learner's capabilities better than external examiners
C. students should at all costs get high grades
D. schools are more efficient than external bodies of examination

Answer

B

Explanation

Teacher is familiar with his/her learner.s individually, so he/she must be just while evaluating them. He knows the individual capability of their students.