How Early Academic Training Retards Intellectual Development(psychologytoday.com)
psychologytoday.com
How Early Academic Training Retards Intellectual Development
https://www.psychologytoday.com/blog/freedom-learn/201506/how-early-academic-training-retards-intellectual-development
Examples of stimulating free-play school-alternatives for older children are unschooling or democratic free schools, like Sudbury Valley School.
https://www.youtube.com/watch?v=awOAmTaZ4XI