Dear Fiona!
I took your letter and I am writing an answer.
I'd like to tell you about my school week.It was very unusual and good!
To begin with,our teacher and my classmates went to the excursion.We organize a picnic and it was wery well.After this we became kinder.Our boys helped us and children under us.
It was a wonderful week,and what about you?
Love,Leyla.
Ну или так.
Dear Fiona!
I took your letter and I am writing an answer.
I'd like to tell you about my school week.It was very unusual and good!
Our head teacher made a Day of kind.At this week we all had to help another pupils.Espesially we had to help children under us.Our boys helped to cltan the classrom,and we helped them with their homeworks.We all were as one big family!
It was a wonderful week,and what about you?
Love,Leyla.
Я просто не поняла,тебе надо про "Неделю доброты" как праздник в школе или просто как ваш класс был добрым друг к другу?Ну,в общем я написала оба варианта.