Why doesn’t the Catholic Church ordain women as Priests?

The church does not ordain women for the following reasons:

1. As Christ himself only ordained men as his apostles, so the church, which believes in the practice of apostolic succession, does likewise.
2. When administering a sacrament, the priest is said to be acting in persona christi, i.e. in the person of Christ.

Pope Paul VI, quoted by Pope John Paul II in Ordinatio Sacerdotalis, wrote, “[The Church] holds that it is not admissible to ordain women to the priesthood, for very fundamental reasons. These reasons include: the example recorded in the Sacred Scriptures of Christ choosing his Apostles only from among men; the constant practice of the Church, which has imitated Christ in choosing only men; and her living teaching authority which has consistently held that the exclusion of women from the priesthood is in accordance with God’s plan for his Church.”

Source: Wikipedia