Stredna is a free Android application developed by Blue Lemons s.r.o. that allows Slovakian students in the 8th and 9th grade to easily navigate through a list of over 400 high schools in Slovakia. With Stredna, you can filter schools based on your preferences, such as location, type, and field of study. You can also save your favorite schools for future reference.

One of the app's main features is the personality questionnaire that helps you determine which field of study is best suited for you. Additionally, Stredna provides detailed information about each school, so you can make an informed decision about your future education.

Overall, Stredna is a great tool for Slovakian students who are looking for a comprehensive guide to high schools in Slovakia. It's easy to use, informative, and completely free.