Concept:
The dropout rate is an important educational indicator used to measure student retention within the education system. It reflects the percentage of students who discontinue their studies before completing a specified level of education.
Step 1: Define dropout rate.
A student is considered a dropout when he or she leaves school before successfully completing the prescribed course or educational stage.
Step 2: Understand why dropout rates matter.
High dropout rates indicate educational challenges such as:
• Poverty.
• Lack of educational access.
• Child labour.
• Social barriers.
• Poor learning outcomes.
Governments use dropout statistics to formulate educational policies.
Step 3: Evaluate the options.
Failing an examination does not necessarily mean dropping out.
Changing schools means continuing education elsewhere.
Repeating a class means the student remains within the educational system.
Leaving school before completion perfectly matches the definition of a dropout.
Step 4: Conclusion.
Therefore, dropout rate refers to students who discontinue schooling before completing the intended educational stage.
Hence, option (D) is correct.