There are no objective university rankings. Rankings give you a first impression of each university's specialities and may thus serve as an important guideline to help you.
The Centre for Higher Education (CHE) helps prospective students find and choose the right university. Users can search by subject or university.
The German Academic Exchange Service (DAAD) also offers support to help prospective students find their way through the labyrinth of possible universities, universities of applied sciences and subjects to choose from.
Aptitude or ability testing is used to identify interests or abilities. This makes it easier to choose a course of study.
Testing for university type by Plan Z - Planning the future with Plan.
TU9 A free test by the TU9 Group (consortium of 9 German Institutes of Technology)
Allianz Testing for perspectives offers support for those secondary students who are not yet sure what path to take.
Links to courses of study, orientation test and aptitude test.