The positivity rate among children also spiked in just over a week, according to the Florida Department of Health.
The top infectious disease expert said many questions remain about the safety of getting children back to the classroom.
The teachers drove past Gov. Bill Lee's home as fears continue that some schools are returning to classrooms too early.
In a recent letter sent to parents, St. Andrew's Episcopal School officials wrote they had not decided whether to implement virtual learning or a hybrid model.
The president has been vocal in his desire for schools to get back to full operation with in-person teaching, though unions have questioned the safety amid a COVID-19 surge.
Florida Governor Ron DeSantis said Wednesday that parents should decide whether to send their children back to school as COVID-19 surges in the state, while leaving open the possibility that schools could choose to delay reopenings over public health concerns.
A three-part plan to instill confidence in parents for school reopening.
"It's too early for Florida to be the petri dish for America," Fredrick Ingram said.
The Florida Education Association filed a lawsuit against Governor Ron DeSantis and other Florida officials over plans to force classrooms to reopen as COVID-19 cases continue to surge.
"[The next stimulus package] will make sure moms and dads don't have to worry about the safety of their children who are going back to schools," said White House Chief of Staff Mark Meadows.
"They don't care that children, parents and teachers will inevitably get sick," a teacher in Green Bay, Wisconsin said.
"The science is on our side here. And we encourage for localities and states to just simply follow the science, open our schools," White House Press Secretary Kayleigh McEnany said Thursday.
"This is the exact opposite of what we need to be doing," County Commissioner Tanner Ainge said.
A judge ruled in May that the 15-year-old girl broke her probation by not keeping up with school work remotely.
As coronavirus cases soar, the odds of schools opening in the fall is low. Parents are bracing with having the kids home another few months--or longer.
"There are some people who want to keep our schools closed because they think it gives them a political advantage," Senator John Kennedy said.
Families were invited to a party aimed at raising money for the school district's nonprofit arm.
"Trying to fight this pandemic while subverting scientific expertise is like fighting blindfolded," the public health experts wrote.
Orange County will allow its schools to open next month despite neighboring counties announcing that classes will be taught virtually this fall semester.
"It's pretty atrocious that in preparation for returning to school this fall, teachers are writing wills, getting medical power of attorney established, and taking out extra life insurance," one teacher wrote.
About three-quarters of Florida parents said the pandemic has affected their child's mental health.
Florida health officials reported 15,300 new cases on Sunday, breaking a record New York set in April of a state's largest single-day increase in new cases.
Senator John Cornyn faces backlash after saying, "No one under the age of 20 has died of the coronavirus. We still don't know whether children can get it and transmit it to others." The state's Department of Health has reported more than 1,700 cases of COVID-19 among Texans under the age of 19.
"It's only a cliff ahead and a damning drop to the hard ground below. But we keep going."
The president on Friday said "too many" schools focused on "radical left indoctrination" instead of education.
The education secretary also hit out at "fearmongering" adults who were "making excuses" for not reopening schools.
The president has vowed to apply pressure to get schools to open in the fall, despite concerns being raised amid the COVID-19 pandemic.
The NIAID director said people should not become complacent by seeing declining mortality rates linked to coronavirus.
Schools in California are struggling to decide how best to reopen as COVID-19 cases continue surging across the country.
Education Secretary Gavin Williamson has warned that unless there is a "good reason" as to why children are absent from school in September, families will be fined.