Four children drowned in a water tank at Uppugalla village in the district today, police said.
The deceased were identified as B Rambabu (8), A Rajitha (12), A Ramesh (10) and A Lachaiah (8), they said.
The students went for swimming in the tank near the village this morning but did not return, police said.
The bodies were spotted floating by their family members in the evening, they said adding all bodies were fished out and sent for postmortem.