Fellow ignoring educational component in school lecture (6)

I believe the answer is:

speech

I'm a little stuck... Click here to teach me more about this clue!

'lecture' is the definition.
(I know that lecture can be written as speech)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for speech that I've seen before include "Talking - language - oration" , "Communication by word of mouth" , "Talk given to an audience" , "Speaking faculty" , "Harangue" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.