The tenth grade boys have been missing from Kothaveedhi school of Devipatnam (M) since January 25 but the matter came to the notice of the school authorities last night, they said.
Accordingly, residential school warden Venkatramana approached the police, filed a complaint and informed the parents of the trio identified as V Sivareddy (Kondamodalu village), T Potiraju (Kokkiragudam village) and P Kanakaraju (Chinnari Gandi village).
Devipatnam police have registered a case and is searching the boys.