"ReadWorks is a free service that has cataloged hundreds of lesson plans and more than one thousand non-fiction reading passages aligned to Common Core standards. With a free ReadWorks account you can search for lessons and reading passages by grade and skill. In your account you can create digital binders of the lesson plans and reading passages that you want to use."
Richard Byrne posted this resource and it is definitely worth checking it out. The site was founded in 2008 to "help teachers meet the nationwide crisis in reading comprehension. The goal is to "help teachers improve their effectiveness through research-based, classroom-proven practices and curriculum."
From their website: ReadWorks provides research-based curriculum and guidance directly to teachers and principals, online, for free, to be shared broadly.To go directly to the site: http://www.readworks.org.