Have you considered using Ning for your social networking tool? We've begun to use it here and it seems very promising. It's the same product that this (university web developers) is built upon. And, it's free!
"There’s a high school student who is a great fit for your institution, yet never engages with your institution online and enrolls elsewhere. Why? Find out during our next webcast with Lance Merker as he dives into the 2018 E-Expectations Trend…"