No one was injured in the incident.
The innovation can be useful to help authorities prevent dense crowds in the area.
akarta has taken a number of steps to prepare its residents for transition phase, including allowing larger capacity for different social activities.
Jakarta will continue in-person learning with only 50 percent of occupancy allowed an adjustment from the previous 100 percent.
Deputy governor Ahmad Riza Patria said the detected cases have yet to affect learning activity at other schools in the capital.
The policy is in accordance with Joint Ministerial Decree (SKB) of Four Ministers on learning activities during COVID-19 pandemic.