Starting with Obama's second term we've talked progressively less and less about education, reaching the lowest point of the past decade in 2017, reaching 2015 levels in 2018 and decreasing again thus far this year. In fact, the average annual volume of airtime devoted to education issues has dropped by half over the past decade.
The timeline below shows the percentage of airtime on CNN, MSNBC and Fox News mentioning "education OR educators OR school OR schools OR teachers OR teacher".