I sincerely hope that last bit isn't right.
Giving authority and weapons to the uneducated is a very scary thing.
It's true. You have an entry test, but there's no qualification required;
http://www.policecouldyou.co.uk/police-officer/am-i-eligible/index.html
Correct as well, otherwise the police force wouldn't be representative.
A lot of people think you need degrees etc to be a police officer - nope.
And if you were a local in China/India, then it'd be racist for it to be more likely for you to be stopped/searched/arrested/killed/sentenced longer, wouldn't it.