If you do not speak Slovak, don't be afraid.
Most of our instructors also speak English.
In the list of EWTO Slovakia schools (Main menu - Školy) you can choose the school that is most suitable for you.
Schools with English speaking trainer are marked with an English flag
and with the text "We also speak English".
You can find this in the detailed information of the school.
You can call or write to the trainer of such a school in English and you can speak to him in English during the training as well.