The phrase 'giving personal attention to each student individually' is an example of

Saying 'giving personal attention to each student individually' is tautology, since 'individually' repeats what 'each student' already means.

Tautology is saying the same thing twice in different words, adding no new information.

Here 'each student' and 'individually' express the identical idea, making the phrase redundant.

Succinctness is brevity, the opposite of the redundancy shown here.

Circumlocution is using many indirect words to avoid saying something directly, which is not the case here.

Wordiness is using more words than needed in general, while tautology is the specific fault of needless repetition of meaning.