Austin Kleon - Words and art and poetry
Common Lit - Not a blog, but join as a teacher and use their literature and ideas.
Cult of Pedagogy - Education blogger I like
Minding the Middle - My site for YA and tween book reviews
Teaching Tolerance - Social justice in education site with resources, PD, mostly for SS and Eng
Zinn Educaiton Project - This is a SS site, but I have spent most of my time teaching 11th and 8th, both paired with US History so I use this as text and like the lens