Krakow Advanced C1.1 (12-14 years old) Krakow Advanced C1.1 (15-17 years old) Krakow Intermediate B1.1 (12-14 years old) Krakow Intermediate B1.1 (15-17 years old) Krakow Lower Advanced B2.2 (12-14 years old) Krakow Lower Advanced B2.2 (15-17 years old) Krakow Pre-Intermediate A2.1 (12-14 years old) Krakow Proficiency C2.1 (15-17 years old) Krakow Upper-Intermediate B2.1 (12-14 years old) Krakow Upper-Intermediate B2.1 (15-17 years old) Warsaw Advanced C1.1 (12-14 years old) Warsaw Advanced C1.1 (15-17 years old) Warsaw Intermediate B1.1 (12-14 years old) Warsaw Intermediate B1.1 (15-17 years old) Warsaw Lower Advanced B2.2 (12-14 years old) Warsaw Lower Advanced B2.2 (15-17 years old) Warsaw Pre-Intermediate A2.1 (12-14 years old) Warsaw Proficiency C2.1 (15-17 years old) Warsaw Upper-Intermediate B2.1 (12-14 years old) Warsaw Upper-Intermediate B2.1 (15-17 years old)