Rio do Sul is a municipality in the state of Santa Catarina in the South region of Brazil.

[2][3][4][5] Rio do Sul was elevated to municipality status as of state Law # 1,708 of October 10, 1930, with territory taken from Blumenau.

The most destructive floods ever recorded were 1983 and 1984; there was also a more recent case in September 2011, where the water level went over 13 m. The city of Rio do Sul is the most responsible for the education of children, the largest number of schools facing children and teenagers is administrative and public access.

In public education, there are two main state colleges: Henrique da Silva Fontes and Paulo Zimmermann.

There are also educational centers geared directly towards the labor market as SENAI and SENAC, which offer professional courses for high-schoolers.