Portuguese Phrase
O que é o dia de portas abertas da escola?
Meaning
The sentence asks for an explanation of the school’s “open‑house” day – the event when the institution invites parents, prospective students and the community to visit, see classrooms, meet teachers and learn about the curriculum.
When to use
Use this question when you hear about an upcoming “dia de portas abertas” on a flyer, in a conversation, or on social media and you want the school staff to clarify what activities will take place and how you can participate.
✦Grammar Breakdown
Oqueéodiadeportasabertasdaescola
O que
Interrogative phrase meaning “what”. It is always followed by a verb.
é (ser)
Third‑person singular of the verb *ser* used for definitions or identifications.
dia de
The preposition *de* links a noun to a descriptive phrase, here “day of”.
portas abertas
A noun + adjective construction; both words stay in the plural because they refer to many doors.
da (de + a)
Contraction of the preposition *de* and the feminine singular article *a*, meaning “of the”.
🗨In Conversation
O que é o dia de portas abertas da escola?
What is the school's open‑house day?
É um evento em que a escola abre as portas para pais, alunos e a comunidade conhecerem as instalações, conversarem com os professores e tirarem dúvidas sobre o ensino.
It’s an event where the school opens its doors for parents, students and the community to see the facilities, talk with teachers and ask questions about the education.
✕Common Mistakes
O que são o dia de portas abertas da escola?
The verb must agree with the singular subject *dia*, so use *é* (ser) not *são*.
O que é o dia de porta aberta da escola?
Both nouns are plural because the event involves many doors; keep *portas abertas*.
O que é o dia de portas abertas do escola?
When the noun *escola* is feminine singular, the contraction *da* (de + a) is required, not *do*.
↔Alternatives
O que acontece no dia de portas abertas da escola?
What happens on the school's open‑house day?
Como funciona o dia de portas abertas da escola?
How does the school's open‑house day work?
Pode me explicar o dia de portas abertas da escola?
Can you explain the school's open‑house day to me?
Cultural Tip
In Brazil, the *dia de portas abertas* is a common tradition in both public and private schools. It usually takes place once a semester and includes guided tours, presentations of projects, and sometimes a snack for visitors. The tone is friendly but still respectful; avoid overly informal language with teachers you don’t know well. In some regions the event is called “visita guiada” or simply “open house”.