Parents say Roger Gao, 9, was injured Monday at PS 250 George H. Lindsey in Williamsburg.
The injury landed Gao in the hospital.
The family's attorney says they still do not know exactly what happened to Gao, and how he was hurt.
Eyewitness News reached out to the Department of Education late Sunday afternoon, but have not yet received a response.
----------
* More Brooklyn news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube