The Cicognini National Boarding School is a private Catholic primary and secondary school located in Prato, Tuscany, Italy. Established by the Jesuits in c. 1692, the school is the oldest school in the city and follows the legacy of Francesco Cicognini.

The Cicognini National Boarding School of Prato is the oldest educational institution in the city. Founded in 1692 by Jesuit priests, it was the center of culture in the Grand Duchy of Tuscany, the Kingdom of Italy, and the Italian Republic. Cicognini National Boarding School remains a cultural and training centre for Italy, with significant influence in Tuscany and the metropolitan area of Prato-Florence-Pistoia.

The school contains a theater dedicated to Gabriele D'Annunzio, with frescoes decorating the ceiling and stage. The school also houses the Chapel of the Boarders, with a Baroque altar, Madonna, organ, and paintings. The school's refectory is decorated by frescoes as well, and its reception room has a painting dedicated to Gabriele D'Annunzio.

This article's list of alumni may not follow Wikipedia's verifiability policy. Please improve this article by removing names that do not have independent reliable sources showing they merit inclusion in this article AND are alumni, or by incorporating the relevant publications into the body of the article through appropriate citations. (June 2021)

• Gabriele D'Annunzio, (1863–1938) – writer, poet, journalist, and political activist who attended the Cicognini National High School from 1874 to 1881
• Sem Benelli – writer and playwright
• Giovanni Bertini
• Ranieri de' Calzabigi – poet and librettist
• Carlo Azeglio Ciampi – President of the Republic
• Girolamo Lagomarsini, (1698–1773) – humanist and philologist
• Giovanni Lami – jurist, historian, and antiquarian
• Tommaso Landolfi – writer, translator and literary critic
• Curzio Malaparte, (1898–1957) – journalist, dramatist, writer, and diplomat who was born in Prato
• Marcello Pera – Senate President
• Bettino Ricasoli – statesman

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  Clock in the interior
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  Theater Gabriele D'Annunzio
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  Fresco in the refectory
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  Chapel
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  Reception room
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  Francesco Cicognini, the founder

• List of schools in Italy
• List of Jesuit schools
• Liceo Classico