At McKinley, students at every grade level go on field trips throughout the year. Parents wishing to volunteer on field trips should refer to Petaluma City Schools volunteer requirements. There are special requirements for parents attending overnight field trips.

The lower grades go on day trips to such places as Spring Hill Jersey Cheese Farm, the Petaluma Wildlife Museum, Spring Lake, Sunrise Senior Living Center, Academy of Sciences, Luther Burbank Performing Arts Center, and the Oakland Zoo.

In the upper grades, students attend overnight field trips:

FOURTH GRADE: Coloma Outdoor Discovery School Gold Rush Adventure

FIFTH GRADE: "The Age of Sail" at the San Francisco National Maritime Park

SIXTH GRADE: Weeklong Visit to Westminster Woods Outdoor School