Bow Valley Readers
http://esl.bowvalleycollege.ca/student_readers/
News ELA
http://www.newsela.com/ - News stories for many reading levels. Click the number at the right of each story to change the difficulty level.
Marshall Adult Education - Reading Skills
http://resources.marshalladulteducation.org/reading_skills_home.htm -Reading lessons for beginning and intermediate readers.