Scholastic:

https://classroommagazines.scholastic.com/support/learnathome/grades-prek-k.html

 

Mystery Science:

https://mysteryscience.com/school-closure-planning

 

 

ABCYA:

https://www.abcya.com/grades/prek

 

Epic Reading:

 

https://www.getepic.com/?msclkid=abefda5a9e811a3207c7842ba9d377e0&utm_source=bing&utm_medium=cpc&utm_campaign=US%20-%20Site%20Trials%20-%20Brand%20-%20Alpha&utm_term=epic%20reading&utm_content=epic%20reading