FORT LAUDERDALE – With 969 arrests made nationwide since the federal crackdown on undocumented immigrants began, the ripple effects are being felt in South Florida schools. Some students worry about returning home to find their parents gone, prompting school districts to issue guidance on how to address the growing fears. Anxiety, fear being felt “They are worried they are gonna come home and won’t have their parents,” said Leyanna Head, 14, a student at Sunrise Middle School in Fort Lauderdale. Speaking with her mother’s permission, she described how classmates with undocumented parents are grappling with anxiety. “They would rather…..