Last week's numbers were the highest recorded since schools began tracking data a year earlier.
"We've got to follow the mandates that we're given or we'll be swimming in this sea forever," Lebanon (Oregon) Community School District Superintendent Bo Yates said.
"The department will fight to protect every student's right to access in-person learning safely," Education Secretary Miguel Cardona said in a statement.
"At that point, I said that whereas I had risked my life to defend my country while in the Air Force, I was not willing to risk my life to teach a class with an unmasked student during this pandemic," said the college professor.
COVID-19 along with hiring practices has wreaked havoc on the extended hiring of bus drivers which is causing widespread issues as in-person classes resume for millions of students.
Twelve of the teacher's students tested positive for COVID-19 in May, after the teacher attended school with symptoms of the virus.
Jin Park, a Queens, New York, resident born in South Korea, initially won the Rhodes Scholarship in 2018 as a student at Harvard University.
"There were all kinds of costs that were extraordinary because of COVID, but online schools didn't have any of them," economist Gordon Lafer said.
"The reason that we left was that we didn't want our history to be ended by Taliban," said a member of the all-female Afghan Dreamers robotics team.
Schools have been given three years to spend the federal money, but some districts are worried about what happens after the federal money is gone.
The return to in-person learning this year comes with more anxiety than usual. Here's what three leading experts say about how parents and teachers can help.
A man is working toward breaking world records to inspire people to study science, technology, engineering and mathematics.
"We're not activists, we're not political, we're not partisan...where we draw the line is when you mess around with the kids," Lehi resident Brad Plothow said.
"Because of the Delta variant, our schools are not safe and secure unless everyone wears a mask," said attorney Charles Dodson, a former judge.
The creatures are known to "attack" scuba divers—but a new study suggests these incidents are just the confused sea snakes' attempts at courtship.
The coyote was found roaming Our Lady of Lourdes Parish School in California before students had arrived for the day.
"We need to do everything we can to keep schools open and safe," said Jeff Hicklin, whose son attends school in Falmouth, Maine.
"We cannot have government officials pick and choose what laws they want to follow," Commissioner of Education Richard Corcoran said in a statement.
"That was just very disheartening, especially at a time when we are still grieving the loss," said Persayus Davis-May's godmother, Tayana Smith about the post.
Teachers unions and other critics view the efforts as a way to siphon money away from traditional public schools.
"This incident demonstrates that we must place an increased focus on character and integrity within the entire brigade," Superintendent Vice Admiral Sean Buck said.
Some teachers said the infestation has been an on-going problem for years and it has been a noticeable issue within the school.