The Golden Compass is classic Hero's (in this case, Heroine's) Journey; further it is classic Quest and classic good versus evil.
Elements include:
The Hero's (Lyra's) parents (Marisa and Lord Asriel) are individuals of extraordinary power and ability.
The Hero is separated during early childhood from parents.
The Hero has an extraordinary capacity to survive, as indicated by her deceiving the boys following her and hiding in the cupboard to witness the near assassination and saving of her father.
The Hero is taken out of her Ordinary World by a Mentor figure, in this case Marisa Coulter, played by Nicole Kidman.
The Hero begins the classic journey: Lyra travels from her Ordinary World to a New World .
The Hero meets allies within the First Threshold and at the beginning of the Road of Trials / Transformation (The Bear King and Lee Scoresby / Sam Elliott).
The Sword is Seized: this is the rescue of Lyra by the Bear King from the imposter Bear King.
The Hero is reborn following a Near Death Experience: Lyra finds out that Marisa is her mother following the near separation of her from her daemon.
The Hero has a mystical mentor / guardian and supernatural aid in the form of Eva Green / Serafina Pekkala.
The Hero engages with an defeats enemies, with the help of allies and against overwhelming odds.
The Hero becomes a New Self: at the end of the first installment, Lyra's New Self is demonstrated by her willingness and ability to rescue Lord Asriel from captivity.
Buy the Complete 188+ stage Hero's Journey / Monomyth