Which is the best indication that Karim Abouelnaga's Practice Makes Perfect program is a success?

The average for participating students who go on to college is 89 percent.
He has sold it to 31 schools.
He went to college with help from a mentor.
Inner city high schools often have low graduation rates.

The best indication that Karim Abouelnaga's Practice Makes Perfect program is a success is the average for participating students who go on to college being 89 percent. This shows that the program is effectively helping students succeed academically and pursue higher education.