"CommonLit is a nonprofit education technology organization dedicated to ensuring that all students, especially students in Title I schools, graduate with the reading, writing, communication, and problem-solving skills they need to be successful in college and beyond." - CommonLit
CommonLit has over 2,000 texts sortable by readability, grade, genre, themes, literary devices, and other standards.
"ReadWorks is a free, accessible solution built on results. Since the launch of our online services more than ten years ago, five million educators and 30 million students have used the ReadWorks platform. Teachers trust ReadWorks for the original, substantial and inspirational selection of choices within our library.
As a nonprofit organization, we have an ambitious purpose to create high-quality reading instruction tools and supports that make an impact. We focus on the following three pillars of reading comprehension to improve student reading comprehension and overall reading outcomes." - ReadWorks
ReadWorks has over 4,800 K-12 passages sortable by grade or by lexile.
"Our content model takes authentic, real world content from over 100 established trusted partners and makes it instruction ready for K-12 classrooms. We select texts that represent a wide range of subjects, authors, and publications and span over 20 genres, including primary sources, news, reference materials, speeches, opinions, interviews, biographies, court opinions, narrative nonfiction, fiction, and myths, legends, and folktales.
Through the content leveling process, writers and editors adjust the text’s language and sentence structure and add supportive context in order to make the content accessible to students reading at a range of levels. The process is designed to enhance clarity for students and yield greater comprehension to improve learning outcomes. The meaning and intent of the original content is not altered." - Newsela
Newsela provides free "current event articles" rewritten in 5 different difficulty levels.
"In a world where six out of every ten children are not achieving minimum proficiency in reading and mathematics, the road to literacy – and UN Sustainable Development Goal 4, quality education – is an uphill climb. And while the obstacles are many – including a shortage of schools and teachers for millions of children, compounded by a dearth of local language reading material for 40% of students – Pratham Books’ StoryWeaver is committed to providing children with the very first step to literacy acquisition. Books." - StoryWeaver
StoryWeaver provides free redistributable books (licensed under Creative Commons) categorized into 5 different reading levels.
"ManyBooks was established in 2004 with the vision to provide an extensive library of books in digital format for free on the Internet. Many of the early eBooks are from the Project Gutenberg archives, which means you will be able to find a lot of classics on the site.
Over a decade later, we are still going strong in our mission to provide a valuable service to our readers. ManyBooks has grown into a platform where self-publishing authors have the opportunity to introduce their work to our community and new books are uploaded to our site daily - provided they comply to our quality standards." - ManyBooks
ManyBooks provide free books sortable by genre.
"Pressbooks Directory provides an index of 4,890 books published across 139 Pressbooks networks." - Pressbooks
"Open textbooks are licensed by authors and publishers to be freely used and adapted. Download, edit and distribute them at no cost.
Now offering 1120 open textbooks, the Open Textbook Library is supported by the Open Education Network." - Open Textbook Library