Here are some websites that I have found that you may enjoy with your students!
Class Dojo
Highlights
Kids Health
Kids Together
Safe Kids Worldwide
Reading Rockets
Back to School
Family Education
Peaceful Parenting
Safe Kids
Family TLC
Help Teaching
Bedtime Math
PBS Kids
Khan Academy
TED-Ed
Steve Spangler Science
Child Development Institute
Supper Nanny
Kids in the House
Common Sense Media
Plugged In
Lonely Planet
Red Tricycle
Biz Kids