This website provides book resources with different material types and filter options between grades.

This website provides resources for teachers teaching reading and is the sister site to Colorin Colorado.

In addition to writing, this website also provides reading passages for students to read and has three levels of exercises: Beginning, intermediate, and advanced.

This website provides resources for English language teachers and gives programs and suggestions for effective teaching.

This website provides a great resource for grammar and vocabulary concepts in writing. 

It provides writing exercises for students to work through and has three levels of exercises: Beginning, intermediate, and advanced.

I found this website useful because it categorizes idioms and explains what they mean. In addition, it also supplies a list of English verbs and irregular verbs. 

This is a website that provides instructors with radio podcasts, listening activities, etc., that they can utilize to improve listening skills. It's nice because it has a multitude of subjects to choose from.

This provides information on giving dictations and provides examples of how to assess students using authentic material.

This website provides links to listening assessments for each grade and proficiency level, which can be useful to refer to when creating assessments for class.

This website provides valuable information on assessing ELs, including speaking skills. It provides different types of assessment and has TONS of resources on ELL education.

This website provides strategies for teachers to use to help their ELs' speaking skills improve.

This website targets listening and speaking activities.

Provides different tests to assess oral skills (like diagnostic tests, etc).