Social media is part of life. For young people, it's a major way of keeping in touch with their friends, with trends, with their interests. But if we are going to use social media as a way of communicating with the young people in our church groups, there are things we need to consider so that they (and we) are as safe online as possible.
Your Diocese or denomination may have issued guidelines for you to follow. However, if they haven't, look at the guidelines and FAQs which the Diocese of Rochester have provided for churches.