Location VS. Great Schools

[Sarah 'Sadika' J.]

Hello,

First  time investor. I'm looking at investment properties in Gaithersburg, MD. I'm conflicted about two properties. One property is walking distance (15min.) to metro station and shopping center but has average schools (Elementary rating: 6, Middle: 9, High: 7).  Second property is somewhat walkable (21min.) to metro station and shopping center but has great schools (Elementary rating: 8, Middle: 9, High: 8). This property also has bus stop near by to metro station and shopping center every 30min.with total commute time of 15min. either location. 

School ratings are based on greater schools.org

So what is critical? Location? Schools? How do I strike the right balance? 

P.S. My ideal tenents would be families but I'll let the property management firm find other good tenents as well.