all groups take part in the competition, however,
only the
grupo especial and
série a take part in
the
sambadrome parade, while the schools part of the
grupo rio parade in
other parts of town.
19 schools in
série a parade on the friday and
saturday of carnival, and the 12 samba schools of the
grupo especial show their talent in the
sambódromo
on sunday and monday night - the scores given by the judges are counted up live on
television on ash wednesday following carnival.