Born in Lindsay, Ontario, Canada, Park began her acting career with small parts starting at age 6. She attended Oakridge Secondary School, in London, Ontario. She was also a part of the Original Kids Theatre program.
Park's first major roles came with a guest spot on the Lifetime series Angela's Eyes and a minor role in the indie movie Charlie Bartlett. She had a guest starring role on the popular Family channel show Life with Derek as Amy, a love interest of Derek and head cheerleader ex-girlfriend to Max. Her largest role to date has been in the ABC Family series The Secret Life of the American Teenager, where she plays supporting character Grace Bowman, a conservative Christian teen and cheerleader who, along with her boyfriend, struggles with her purity vow until marriage.
Park has also played Bev in A Cinderella Story: Once Upon a Song.
Park is now part of the band Frank and Derol, along with Brandi Cyrus and Codi Caraco.