In Iran, the school-year calendar is set nationally. Exact dates for متوسطه اول پسرانه علوی - شعبه نیروی هوایی منطقه 13 تهران may vary by region.
Calendars vary between schools and may differ even within the same region. For the authoritative calendar of متوسطه اول پسرانه علوی - شعبه نیروی هوایی منطقه 13 تهران, check the school's website.
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