они тогда учились в классе 6 и это

они тогда учились в классе 6 и это была школьная вечеринка,на которой присутствовали дети всех ворастов

Результаты (английский) 1:

They then studied in class 6, and it was a party school, attended by children of all vorastov

Результаты (английский) 2:

they then went to class 6 and it was a school party, which was attended by children of all vorastov

Результаты (английский) 3:

they were in grade six, and it was a high school party, attended by children of all ворастов