Note that Brazilian companies sometimes agree to pay for their employee’s language courses, even their spouse’s.
The American School of São Paulo, known locally simply as "Graded", offers language, art and cultural lessons for adults in a friendly and warm environment. To register or get more information either call 3747-4824 or 3747-4864, or send them an e-mail at anacris.fernandes@graded.br. In addition their monthly field trips around São Paulo will help you enlarge your social circle and get to know the city.
The following links are for additional institutions in Sao Paulo offering adult education programmes: