Orange County deputy sheriffs and Maitland police are trying to determine whether the calls were related. The first call came in about 10:50 a.m. to the Jewish Academy elementary school in Maitland. About 10 minutes later, a second call came in to Chabad of South Orlando, which includes a synagogue and school at 7347 W. Sand Lake Road, according to Maitland police and the Orange County Sheriff's Office.