they want to make sure you will strive to increase the school's prowess
<<==>>
how will you support the ongoing success of the program
as an alum how will you contribute to the success of the program in years to come as a brand ambassador of the program
What did you think these two statements above meant ? Or did you mean .. you're lost, and want suggestions about the 'how' part of the prompt?
OK, some blunt talking. You're coming through as a little miss snotty, when actually you may be just showing off your English, which is quite fluent, by the way. Put some more thought into
your own plans for the program, actually a lot more thought; then spell them out here. That's Kevin's advice to you as I understand it.