Most Important is how much and how they focus on nurturing the natural talents and strengths of the child in a productive way

But my parents did want to transfer me to the same school as my sister initially

Anything to shorten travel time. Long commutes bring unnecessary stress.

Proximity to home, CCAs, academic track records

I always look at the location of the school.

All of the above ,ranked in the same order

ranking & closeness is both very important

Many things Ranking and closeness to home

location. the nearest will be good

A good mixture of all the factors.