школу

школу

"School" (accusative case of "школа").

In this sentence, 'школу' is used as the accusative case of 'школа', showing the destination of the action of going.

Я пошёл в школу, чтобы забрать свои документы.

I went to the school to pick up my documents.

Here, 'школы' is in the genitive case to represent possession, indicating that the model built pertains to a school.

Я построил модель школы для проекта.

I built a model of the school for the project.

In this example, 'школу' is used in the accusative case following the verb 'обожает', which requires this case to indicate the direct object of affection.

Моя сестра обожает школу, особенно её учителей.

My sister loves her school, especially its teachers.