Corey Turner

NPR's Corey Turner.

Instructure responded by taking Canvas offline.

It discovered that the hackers had accessed the platform through special free accounts for teachers.

Canvas is now back online, and the company says it has found no evidence that passwords, birthdates, or financial information were leaked, but the investigation is ongoing.

That's NPR's Corey Turner reporting.

It's NPR News.

This week on the NPR Politics Podcast, President Trump has never been more unpopular.

And the midterms are now less than six months away.

The politics of a wartime economy this week on the NPR Politics Podcast.

Listen on the NPR app or wherever you get your podcasts.

The review comes from the nation's largest teachers' union, the National Education Association, or NEA.

And it's based on data collected directly from state departments of education.

The average teacher's salary rose to nearly $75,000 in the last school year.

But after adjusting for inflation...

NEA researchers estimate that teachers' real earnings actually declined by nearly 5 percent over the past decade.

The report includes lots of other data, too.

Public schools' student-to-teacher ratio held steady at around 15 to 1, and the federal role in helping fund public schools continued to decline, with federal dollars estimated to make up just 7 percent of schools' funding this year.

Corey Turner, NPR News.

The review comes from the nation's largest teachers' union, the National Education Association, or NEA.

and it's based on data collected directly from state departments of education.