The results of searching for "International school": 7 English-speaking places
There are also organizations that speak other languages: Russian.
Grota-Roweckiego 51 30-001 Kraków Poland
Młyńska Boczna 11 31-470 Kraków Poland
Kawiory 22 33-332 Kraków Poland
Edmunda Biernackiego 9 30-042 Kraków Poland
Świętego Floriana 57 30-698 krakowski Poland
Spacerowa 10 32-040 krakowski Poland
Profesora Michała Życzkowskiego 20 31-864 Kraków Poland