It will be alleged that, between May and August 2025, the man sexually assaulted the student.
During the time of the alleged offences, the man was employed at a northern suburbs secondary school.
The 30-year-old man has been charged with:
• 12 counts of Sexually Penetrated a Child over 16 under their Authority
He is due to appear before Joondalup Magistrates Court on 21 October 2026.
Anyone with information relating to this investigation, or similar incidents, is urged to contact Crime Stoppers online at www.crimestopperswa.com.au or by calling 1800 333 000.
Detectives urge anyone affected, or anyone with information relevant to this investigation, to come forward. Reports can be made via the Safe2Say online reporting platform at wa-police-force-sex-crime.safe2say.com.au/report.