Science teacher Jazmine Blake, left, and school counselor’s Samuel Perkins, right, eat ice cream outside the Shepard International Baccalaureate Magnet Middle School in Durham, N. C., Monday, May 4, 2015, for Teacher Appreciation Week. (Bernard Thomas/The Herald-Sun via AP)

Tuesday is National Teacher Day, part of Teacher Appreciation Week, which has taken on special resonance in recent years as many teachers feel increasingly dishonored by policymakers who have put them at the center of controversial reforms.

So what do teachers get during this commemoration? Some companies offer discounts to teachers for various items, and messages of thanks and appreciation to teachers — including from some of the very policymakers who have upset teachers — are posted on social media. Here are some tweets for and about teachers to mark the week: