Complex sentence: Every year they returned to the same place but when Dali turned 13, she noticed something strange, something her 13 year old brain did not like-a lot of her friends were not at school simply because they could not afford the compulsory school uniform.
Split into simpler sentences: Every year they returned to the same place but when Dali turned 13, she noticed something strange, something her 13 year old brain did not like. A lot of her friends were not at school simply because they could not afford the compulsory school uniform.