Do you think school education is a truly measurement of intelligent of the individual itself?

No most teachers don't know how to grade or prepare the students for life after school

More than one genius has tested poorly or gotten bad grades. Alan Turing (famous for his cryptology work during WW II) and Steven Spielberg (he dropped out of high school and when he went back, was placed in a special ed class) just to name two.

Just get aunt Becky on the job

A genius definitely not.

No

No.

Of course not. When you speak of "individual", you can't use the same measurement on everyone.