Police are continuing their investigation into an incident at a high school in Orelia.
Just after 11am on Tuesday, May 20, police received reports of an altercation between students at Gilmore College.
"Following the altercation, police were informed that a group of adults then attended the school," a WA Police spokesperson said.
The school was then placed into lockdown.
Police attended the scene and issued a man and a woman with move-on notices.
No injuries were reported but one male student was taken to Rockingham Hospital as a precaution.

Bushfire readiness takes centre stage at City of Kwinana's free Summer Sounds festival
WA Open Golf Championship to tee off at Secret Harbour Golf Links
Halls Head named WA's most persistent storm damage hotspot
Four illegal e-bikes to be crushed after police crackdown in Halls Head, Falcon
Aboriginal jobs and careers expo to attract 1000 attendees in Rockingham
Firefighters attend Lakelands home after reports of thick smoke
WA Government to ban screen use for younger students as part of six-month trial
Singleton General Store shutdown over illicit tobacco, vape sales
Concerns for missing Bertram woman
