LAKE COUNTY, Fla. – Thousands of students returned to the classroom on Monday as the Lake County school district has put widespread changes in place due to the coronavirus pandemic.Karyn Roman is a freshman at South Lake High School and chose in-person learning to begin the year."This is like a circumstance that we haven't seen and so everyone is just trying to figure everything out and we don't know really know everything," she said.District leaders said about half of all students have opted to return to the classroom with the other half choosing one of three distance learning options."It's a typical first day, but not so typical in that we've got these four options all going on at once," communications officer Sherri Owens said.Owens said.