The film's refusal to clear things up until the third act makes it impossible to connect with Simon's plight, despite Phillippe's
relatively effective performance (the actor spends much of the running time freaking out, though he admittedly does it well).
Schwerdt and Wuppermann observe that in recent years, a consensus has emerged among researchers that teacher quality «matters enormously for student
performance,» but that
relatively few rigorous studies have looked inside the classroom to see what kinds of teaching styles are the most
effective.