A medical association that the White House has cited in its press to reopen schools is pushing back against President Donald Trump's repeated threats to cut federal funding if schools don't open this fall.

In a joint statement with national education unions and a superintendents group, the American Academy of Pediatrics on Friday said decisions should be made by health experts and local leaders. The groups argued that schools will need more money to reopen safely during the coronavirus pandemic and that cuts could ultimately harm students.

The statement comes at a time when schools across the...