Сократите ! умоляю (можно своими словами) ​

In Russia children go to school when they are six or seven. They study in one school eleven years.

Usually school starts at 8:30 a.m. and ends at 3 p.m. But it depends on school.In class there are about twenty five students. In a week they have 6 days of school and every day they have 4 lessons.

School year is divived into 4 terms with three holidays. Year 9 and Year 11 take their exams in June.