Why should you squeeze with youth who are the age of your children or grandchildren in the same class yet we are almost beyond 21 st century with many options and methods in education?

ACAEL
Mapping and Accrediting Mature Talent
Why should you squeeze with youth who are the age of your children or grandchildren in the same class yet we are almost beyond 21 st century with many options and methods in education?
One could be forced to squeeze with younger generations in the same class due to lack of suitable infrastructure in education or resources to adopt modern options and methods