Bringing students back to classrooms will take a substantial amount of resources beyond what many districts can marshal on their own, expert says.

If all schools adhered to the CDC guidelines, many that are fully now open would close for in-person learning or need to return to a hybrid system.

Results will be reported by June 30 or July 31.

Billions of stimulus dollars are flowing to public schools, but experts say it may not be enough without big changes to how states allocate funds.