In general the educational system of Austria is built according to the same scheme as in all European countries, and higher education corresponds to the installations of the Bologna system. In the 8-9 grades the general compulsory course of secondary education ends in public or private schools (foreign students usually prefer private), and high school students are already beginning to prepare for admission to selected universities or colleges.
If you are thinking about continuing your education on the IB program, it makes sense to complete a one-year Pre-IB preparatory program (14-15 years). This course will help foreign students quickly bring up the language level, align knowledge with the requirements of the Austrian system, and adapt to a new language and educational environment.
Studying in Austria after 10th grade
After completing the 10th grade (at the age of 16), students can enroll in the two-year program IB (International Baccalaureate). The IB course includes studying both compulsory and optional subjects: an independent choice of additional disciplines makes it possible to better prepare for admission to the chosen faculty and mastering the priority specialty. Certificate IB is accepted in all countries of the world, practically in all universities - it is very convenient if you are considering the possibility of studying not only in German or Austrian universities.
Studies in Austria after 11th grade
Some institutions of the country offer to take the Advanced Placement course (it is very common in USA and is very popular). The AP course is designed for 2 years (11-12 grades, respectively, 16-18 years) and provides an opportunity to prepare for entering a university or college. The subjects selected by the student are studied deeply and thoroughly, almost at the level of the university - but be careful: the list of available subjects is not single and compulsory, it can differ depending on the chosen Austrian school. Passing AP will greatly facilitate your entry into American universities if you have chosen USA for higher education.