Italian Phrase
Le classi variano, di solito tra 15 e 30 persone.
Meaning
This sentence states that the size of the classes typically fluctuates, with most classes containing somewhere between fifteen and thirty individuals. It emphasizes the usual range rather than an exact number.
When to use
Use this phrase when discussing school or training program structures, comparing class sizes between institutions, or explaining how many participants you can expect in a typical Italian classroom.
✦Grammar Breakdown
Leclassivariano,di solitotra15e30persone.
Article + Noun Agreement
Le is the feminine plural definite article and must agree with the plural noun classi.
Verb Conjugation (variare)
variano is the third‑person plural present indicative of variare, matching the plural subject le classi.
Adverb Placement
di solito (usually) is placed before the main clause or after the verb to modify the whole statement.
Preposition tra ... e ...
tra introduces a range; it is paired with e (and) to show the lower and upper limits.
Numerals as Cardinal Numbers
15 and 30 are cardinal numbers; in spoken Italian they are pronounced quindici and trenta.
Noun Persone vs. Studenti
persone is a generic word for people; you can also use studenti when you specifically mean students.
🗨In Conversation
Le classi variano, di solito tra 15 e 30 persone.
Class sizes usually range between 15 and 30 people.
Capisco, quindi non dovrei aspettarmi classi troppo grandi.
I see, so I shouldn't expect the classes to be too large.
✕Common Mistakes
Le classi varia, di solito tra 15 e 30 persone.
The verb must agree with the plural subject; use variano, not varia.
Le classi variano, di solito, tra 15 e 30 persone.
‘Di solito’ should not be split; keep it together as an adverbial phrase.
Le classi variano, di solito tra 15 e 30 persone.
If you specifically mean students, use ‘studenti’ for more precise language.
↔Alternatives
Le classi hanno solitamente tra 15 e 30 studenti.
Classes usually have between 15 and 30 students.
Di norma, le classi contano da 15 a 30 persone.
Normally, classes count from 15 to 30 people.
In genere, le classi sono composte da 15‑30 persone.
In general, classes are composed of 15‑30 people.
Cultural Tip
In Italy, public school class sizes often hover around 20‑25 students, especially in primary education. Private schools and university seminars can be smaller, while some high‑school courses in larger cities may reach the upper limit of 30. When speaking to Italians, using ‘persone’ sounds more neutral, but ‘studenti’ is preferred in academic contexts.