By Ben Tavener, Senior Contributing Reporter
RIO DE JANEIRO, BRAZIL – Millions of students across Brazil have spent the weekend taking the Exame Nacional do Ensino Médio (National High School Exam), better known as the ENEM, which is the Brazilian equivalent of SATs in the U.S. or A-Levels in the UK. The non-compulsory end-of-high school exam has seen major improvements, but has also come under fire again due to attendance levels, disruptions and leaked questions.
This year some 5.8 million people in Brazil had registered for the exam, but preliminary figures show around 28 . . .