List was made up of dogs most frequently posted on Man's Best Friend thread. Personally, have had mutts, GSDs, and Akitas--all great. Want to try Golden, Boxer, and Weimeraner, but I'm getting old.
Not bragging--I have 2 doctorates but am less capable than my father (high school grad) who was less skilled than his father-in-law (elementary school grad from the old country). My smartest friend is a high school grad who can build a house from the ground up and diagnose/replace every part on...
1 teacher for 40 students for first grade and on growing up. The teacher had no problem controlling the class. Not a single one of us wanted to deal with mom and then dad when he got home from work if the teacher sent home a note. And, yes, you delivered that note.
No matter where you live, you should worry about 2 legged predators.
1) GSD--best all around. Really good at evaluating genuine risk vs kids rough-housing. Uncanny ability to do what's best for you in any situation.
2) Great Pyrenees--best livestock guardian, including protecting your kids from...
Not much different from us in that regard. Military personnel so poorly paid that their families need food stamps. At least corporate execs and lobbyists make out well.