The Ann Arbor Public Schools EL website has a lot of useful information for EL parents:
www.a2schools.org/Page/596

The Thurston Library Link is a good way to share reading with your child:
http://burau8.wixsite.com/thurstonlib/contact

The International Children's Library is a multicultural digital library where students can read books online in 19 different languages from dozens of different countries.  Children and teachers can search for books by age level, topic, color of cover, length, award winners, and recently added.  Books are visually appealing to early elementary students, and children can begin reading any story immediately.  All text and pictures can be enlarged:  
http://en.childrenslibrary.org/ 

Wonderopolis is a WONDERFUL site for students to ask any question, look up information on any topic, read articles, and even take comprehension quizzes:
​https://wonderopolis.org 

Learn English sight words by grade level:
www.mrsperkins.com/dolch.htm   

www.starfall.com is a website for reading, spelling and phonics.  Best suited for early elementary.

http://www.timeforkids.com/ is a website for reading interesting informational texts.  Best suited for upper elementary.

http://www.abcya.com is a website for working on reading, spelling, and phonics skills in a game-based environment.  Best suited for early elementary.

http://pbskids.org/ is the PBS website for reading, spelling, phonics games / activities based on PBS programming.  Best suited for early elementary.

www.scholastic.com/parents/play/ is the Scholastic reading, spelling, and phonics website for elementary games / activities.

www.funbrain.com is a game-based website for reading, spelling, and phonics activities.

www.playkidsgames.com has a variety of subjects covering elementary topics.

http://www.eduplace.com/tales/ is a website where students create stories while learning parts of speech.

http://www.storylineonline.net has stories read by actors from the Screen Actors' Guild.  

www.english-at-home.com features skills by category.  Best suited for upper elementary and above.

www.englishclub.com has many subjects and ways for English Learners to practice skills.  Best suited for upper elementary and above.

​www.colorincolorado.org is a resource with information about ESL and learning English.  Best suited for upper elementary and above.

EPIC A Library at Your Child’s Fingertips is a subscription website for reading and books for parents and students to use at home.  Packages start at $4.99/month.

www.abcmouse.com/landing/brand:yahoomobile​ is a subscription website for practicing letters, numbers, and reading.  There is a free 30-day trial subscription available.