Ages and Stages

School Age Children Development & Parenting Tips (6-12) :

https://childdevelopmentinfo.com/ages-stages/school-age-children-development-parenting-tips/

How to nurture healthy development: https://childmind.org/topics/supporting-healthy-development/

Typical Developmental Milestones for Grade schoolers: 

https://www.understood.org/en/learning-attention-issues/signs-symptoms/developmental-milestones/developmental-milestones-for-grade-schoolers