Spoiler warning: Spoilers for the complete film.
Agatha’s kiss saves Sophie, making their friendship the decisive expression of love in The School for Good and Evil. The film then sends the girls home before Tedros’s arrow opens the boundary between their worlds again.
Why is the kiss between the friends important?
The story has organized much of its conflict around identifying the correct hero, villain and romantic match. Its final rescue gives the deepest bond to two friends rather than reserving that power for a prince.
Author Soman Chainani identifies that choice as central to the adaptation in Netflix’s ending interview. It is not an incidental alternative to a romantic scene; it changes what qualifies as love capable of saving someone.
Sophie has made damaging choices, but Agatha’s response does not treat those choices as proof she is beyond caring for. Friendship allows recognition without requiring the friend to be harmless or consistently right.
Why does Agatha go back with Sophie?
She declines the arrangement that would allow her to remain with Tedros while Sophie returns alone. Going home together gives her existing bond priority over the conventional conclusion offered by a prince.
Meanwhile, students and teachers from the two schools mingle. The old division loses authority, although removing a label does not make every individual generous or every future conflict impossible.
The change creates room for different alliances. It is a social reordering, not a claim that everyone has become morally identical.
What does Tedros’s arrow mean?
It crosses the vortex between worlds after the girls return. The event signals another demand on Agatha and keeps the ending open beyond the apparent homecoming.
It does not show the events of a second film or establish that everything in the later novels has already occurred. The completed movie ends with an invitation to continue, not that continuation itself.
The immediate resolution remains intact: Sophie and Agatha choose each other when the story offers them separate fairy-tale roles. Whatever comes through the reopened boundary must now contend with that choice.
Sources: official ending breakdown.