Master of science in Community health education

I am a pediatric nurse and I am applying for master of science in community health education in teachers college Columbia University.
Why is community health education important ?
What are My Objectives for graduate study’s and how this program will enable me to achieve my future goals ? They want to know the objectives for graduate study and how their program will enable me to achieve my goals And I have bachelor degree In nursing would love to take advantage of that to educate people around