Teacher clarity has an effect size of .75. i.e. posting the lesson goals,, posting behavior expectations, including a research-based curriculum that is taught with fidelity Self-reported grades has an effect size of 1.44.
Anything with an effect size of .40+ is preferable. Multiple strategies rock!"
Grades 5-12 CommonLitis a free resource. It offers fiction and non-fiction passages that can be selected by Lexile range, grade, themes, genre and standards. It was written up in Common Sense Education as a “must have” tool. The resource is free but teachers would need to register in order to access the lesson plans and the media associated with the readings.
News ELA https://newsela.com/ Free leveled nonfiction literacy and current events, primary sources, and more, with standards-aligned formative assessments.
ReadWords Digital www.digital.readworks.org A nonprofit K-12 free interactive site delivers content, curriculum, and online training. The "...largest, highest-quality library of curated nonfiction and literary articles in the country, along with reading comprehension and vocabulary lessons, formative assessments, and teacher guidance. Most importantly, everything ReadWorks does is based on proven cognitive science research, not unproven academic theory."
epic! https://www.getepic.com/app/sign_in Epic! offers access to an unlimited library of great children's books. Free accounts for parents and educators.
Kid Blog http://kidblog.org/home/ Safe & Simple Blogs for your students to have a voice through blogging. Trusted by teachers around the world. Class set up is free and takes about 30 seconds.