Ruby Cooper

Ruby Cooper is the protagonist of Lock and Key. She attended Jackson High School from her freshman to the start of her senior year, and then transferred to Perkins Day for the remainder of high school. She is abandoned by her mother the summer after her junior year, and continues paying the bills for her house and living alone until she is discovered by the landlords. She then begins to live with her older sister Cora and her husband Jamie, whom she hasn't seen in 10 years. She becomes happier and forms a close relationship with her new next-door neighbor Nate Cross.