Sarah booked her first television role on the Cartoon Network pilot "Aliens in the House." Months later, while attending the Langley Fine Arts School, she landed a series regular role on DirecTV's Rogue (2013), portraying the teenage daughter to Thandiwe Newton. While shooting Rogue (2013), Jeffery was cast in the M. Night Shyamalan event series for the FOX networkFollowing the completion of "Rogue" and "Wayward Pines", Sarah moved away from dark and edgy characters when she was cast in the Disney Channel movie DescendantsDirected by famed music video director Director X., the film won the Best Atlantic Feature Award at the 2015 Atlantic Film Festival. On the NBC series Shades of Blue (2016), Sarah is a series regular as "Cristina", Jennifer Lopez's daughter.