I spent 18 years on the physics faculty at the universities of Cambridge, Edinburgh and Florida State. I know what it takes no only to get to University but how to excel when you get there.
One on one tuition allows the teacher to taylor the material covered in the sessions to the specific needs of the student.
I benefitted greatly from mentoring by top people in my field, and I think one on one tuition gives the student invaluable insights into how experienced people think about and solve problems.
I was awarded the Ross J Martin for outstanding research achievement by a graduate student in the College of Engineering of the University of Illinois: