Complex sentence: She studied folk dance, ballet, choreography and music at the National Ballet School at the age of 15 she entered the Higher Institute of Arts where she studied drama and the 18 years studied at the International Film School in Havana, Cuba.
Split into simpler sentences: She studied folk dance, ballet, choreography and music at the National Ballet School. At the age of 15 she entered the Higher Institute of Arts where she studied drama and at 18 years, she studied at the International Film School in Havana, Cuba.