Concept: Right to Education is provided under Article 21A of the Constitution of India.
Step 1: Check Assertion (A).
Right to Education is a fundamental right because it is placed in Part III of the Constitution under Article 21A.
\[
A = \text{Correct}
\]
Step 2: Check Reason (R).
Article 21A was inserted by the 86th Constitutional Amendment Act, 2002.
\[
R = \text{Correct}
\]
Step 3: Check explanation.
Reason explains how the Right to Education became a fundamental right in the Constitution.
Therefore, both Assertion and Reason are correct and Reason is the correct explanation.