[2][3] Both her parents had doctorates; she was the youngest of their four children, another of whom also earned a Ph.D.. She was educated through various alternative-education and gifted-student programs in the Toronto public school system.
[3] She graduated from Trent University in 1992[4] with a double major in mathematics and English, and with fourth-year honours in mathematics earned in part through a summer research project with Brian Alspach at Simon Fraser University.
[5] Morris joined the Lethbridge faculty in 2000, and was promoted to full professor in 2015.
[3] In 2017, after learning about the frustrating experiences of her middle-school daughter's friends' parents, Morris founded a drop-in mathematics tutoring center through the University of Lethbridge, in which Lethbridge mathematics education students would tutor middle-school parents on the mathematics their children were learning, and provide educational activities for the parents to do with their children.
[8] Morris has written two open textbooks in mathematics for the undergraduate students at Lethbridge.