What does one mean by equality?

One nice features of Science 2.0 is the way it links to Science Codex and Real Clear Science.  The latter of these sometimes directs me to a journal called The Atlantic, in which I read

What Americans Keep Ignoring About Finland's School Success


The Scandinavian country is an education superpower because it values equality more than excellence.

I’m a bit puzzled.  It sounds just a bit too much like one of those Reader’s Digest articles one useed to read while in a doctor’s or dentist’s waiting room. 

Any thoughts?