A private school in São Paulo, Brazil, whose real name is Vera Cruz, but its lovely students kindly adopted Erva as a reference to marijuana, which they happen to develop a taste for after 8th grade.
The school is expensive and left-oriented, although all types of -rich- kids go there.
"Eai irmão, se estudou em que escola memo?
"No Erva Cruz carai!" - dois maconheiros se conhecendo pela primeira vez