What happens in the end of monster house the film?

In the end of "Monster House," the main characters—DJ, Chowder, and Jenny—confront the haunted house, which is revealed to be the spirit of a deceased woman named Constance. They manage to free her spirit by using a series of clever tactics that lead to the house collapsing. With the house destroyed, the children celebrate their victory, and the neighborhood is safe once again. The film concludes with a sense of closure and growth for the characters, particularly DJ, who learns to face his fears.