Adjustments of admission exams depend on the circumstances: if the applicant finished the compulsory nine year school attendance abroad or (s)he attended a primary school in the Czech Republic (even if it was just part of the school year). The adjustments vary depending on that.
Are you not sure if you are entitled to admission exams adjustments? You can find detailed procedure and information HERE.
Templates of documents and practical information for applicants with the different mother tongue than Czech:
Admission procedure (Practical guide)
Types of secondary schools in the Czech Republic (Practical guide)
Secondary school application* (Practical guide)
* The translated documents don´t serve as official documents, it is only a translation of the official document
Templates of documents for applicants from Ukraine with temporary protection:
Applicants with temporary protection may for the school year 2022/2023 also request other exception at the admission procedure: