Milo Sandgren grew up in Los Angeles, California where she began her dance training in traditional Irish step dancing at the Kelly School. At age 12, she began her ballet training at The Colburn School, where she remained until her graduation in 2023. Milo has attended summer courses at the Royal Danish Ballet Theatre and the Colburn School. She is currently a second-semester freshman at Barnard. Although her major is currently undeclared, she hopes to pursue a dual degree in architecture and dance.