A former San Antonio assistant teacher at KIPP University Prep High School was indicted on child sex abuse charges after being connected to an indecency with a child case involving a 15-year-old student.

Priscilla Castro, 28, was arrested for the alleged incident on Aug. 29, 2025.

According to police, a student told officers Castro allegedly engaged in inappropriate behavior during school hours on May 23, 2025, which made them uncomfortable.