Stacey Nichole Castillo was born in Belize City, Belize. She attended the University of the West Indies, Barbados and obtained her LLB (hons) in 2014, and concluded her studies at Norman Manley Law School, where she was placed on the Principal’s roll of honour and received her legal education certificate in September 2016. During her tenure at Norman Manley Law School, she was awarded the HH Dunn Memorial Prize for the best performance in legal drafting and interpretation.