CENTRA organizes this year, from 5 to 10 of September, the 7th edition of its Astrophysics and Gravitation school. This summer school is aimed at university students of Physics, Mathematics and Engineiring and covers many of the current hot topics of these fields, from stars to black holes, from QCD to Gravitational Waves. Take a look at the official website (in portuguese) here.
An importable CVS/ICS calendar with all of CENTRA's events is available here