A paraprofessional at Gregori High School in Modesto has been arrested for alleged sexual misconduct with a minor student. - Rian Johnston, 25, was arrested on May 22, 2026, after an investigation by the Stanislaus County Sheriff's Office and Special Victims Unit.
- The alleged misconduct began in November 2025, and Johnston faces six felony charges of sexual misconduct with a minor under 18. - Johnston is held on $800,000 bail at Stanislaus County Jail.
- Authorities are seeking additional victims and urge anyone with information to contact Detective Rushing at (209) 305-1950 or Crime Stoppers.