Ms. Rebosa obtained her Juris Doctor degree from the University of the Philippines College of Law in 2023. During her time in law school, she served as the Deputy Head of the Academics Committee of the UP Law Bar Operations Commission, and as an intern at the UP Office of Legal Aid and the UP Environmental Litigation Clinic.

She earned her Bachelor of Science degree in Management, major in Legal Management, from the Ateneo de Manila University in 2019.

She was admitted to the Philippine Bar in 2023.