You are perfectly right. I wanted to add these sentences, too. I really need your revision.

1) We must remember past atrocities but at the same time we must do something against them. It is for this reason that our school has decided to embark on a European project involving a German, an Italian and a French school.
2) We hope that our partnership will help to remove social and mental prejudices.
3) I truly hope that the initial cooperation among our schools will turn into a long-lasting partnership which will ensure the continued improvement of both the minds of our students and the facilities of our schools.
4) While you are with us we invite you to explore our school and immerse yourselves in the academic environment that we pride ourselves in maintaining. 5) Or if you need a break from the world of academia, our town is world renowned for its production of red wines and white truffles. It is also the seat of a famous chocolate firm.

1) We must remember past atrocities, but at the same time we must do something to make sure this type of thing never happens again. It is for this reason that our school has decided to embark on a European project involving a German, an Italian, and a French school.

2) We hope that our partnership will help to remove social and mental prejudices.

3) I truly hope that the initial cooperation among our schools will turn into a long-lasting partnership which will ensure the continued improvement of both the minds of our students and the facilities of our schools.

4) While you are with us, we invite you to explore our school and immerse yourselves in the academic environment that we pride ourselves on.

5) Or if you need a break from the world of academia, our town is world-renowned for its production of red wines and white truffles. It is also the seat of a famous chocolate firm.

Marvelous!