Cult of Pedagogy - so many good things here by Jennifer Gonzalez! If you sign up as a member for her weekly email, there are also resources you can download.
Smart Classroom Management Great ideas here!
Literacy Lenses Good Sample Post http://literacylenses.com/2016/02/unwrapping-the-joy-of-read-aloud/
Turnstall's Teaching Tidbits (primary)
Literacy for Little Learners (apps for little ones)
2 ELA blogs from David Theriault - high school, but great ideas for upper grades, tech projects, ways to give students choices, etc.
Teach Me, Mr. West Monthly blog, weekly podcast. Always good for a smile!
The Thinker Builder Ideas for classroom environment, classroom management, strategies He says geared toward elementary, but many of these posts transcend grade level (ex., posting hidden quotes around the room for the students to discover, my middle schoolers would have liked that!)
He also blogs at another one (many upper elementary teachers blog here) called Upper Elementary Snapshots geared more toward...you guessed it... upper elementary.
Center for Teaching Quality Blogs
Teaching to Inspire Upper elementary resources
Read. Write. HyperDoc. (can be adapted to any subject area/grade level)
Blogging Through the Fourth Dimension
TeachThought All subject areas, all grade levels. Critical thinking, tech tools & ideas, learning & teaching ideas. Also have podcasts.
Class Tech Tips Blog EdTech ideas, apps for all subject areas
The Learner’s Way “The Learner's Way is a site for sharing ideas between educators, a place for conversations about ideas that work and a collection of resources.”
Mindshift Growth mindset, teaching strategies, ideas on the future of learning
Moving Writers (gr. 6-12, but many strategies work at earlier gr. levels)