Lulu and Judy Geeson, who played major parts in Les anges aux poings serrés (1967), reprised their roles in this movie.
The math teacher, Rob Doerr (Joe Forbrich), makes a reference to Graine de violence (1955)--in which Sidney Poitier starred as a juvenile delinquent.
This TV sequel's director Peter Bogdanovich and lead actor Sidney Poitier both passed away on the same date (January 6, 2022) in the same city (Los Angeles), Bogdanovich shortly after midnight and Poitier later that evening, his passing reported the next day.
Sidney Poitier's character in A Piece of the Action (1977) conducted the same social experiment that was done in this movie.
Initially, this film was scripted under the title "From Sir, with Love". Thackeray speaks just these words in the movie's opening sequence, during his farewell banquet.