I'm also interested in this, and my school is looking to write such a policy for next year. We have the photo part handled in our parent contract. ISM has a sample social media policy if you are a member, you might…"
"Yes we have. It's role based, so for our students, faculty, and staff, they authenticate against AD, but parents use a standard WhippleHill password. It works quite nicely, if any of your roles are marked for LDAP based authenticate it uses it."