How to Say "high school" in Spanish
The most common Spanish word for “high school” is “colegio” — use 'colegio' when referring to the general concept of a secondary school, particularly in Spain, or when the specific educational stage isn't the focus..
colegio
coh-LEH-heeoh/koˈlexjo/

Examples
Mi hermano mayor va al colegio en el centro de la ciudad.
My older brother goes to high school in the city center.
Mi hijo empieza el colegio nuevo en septiembre.
My son starts the new school in September.
Fui al mismo colegio que mi padre.
I went to the same school as my father.
Ella es profesora en un colegio bilingüe.
She is a teacher in a bilingual school.
Gender and Articles
Since 'colegio' is masculine, always use the article 'el' before it: 'el colegio'. If you are talking about multiple schools, use 'los colegios'.
False Friend Alert: Not 'College'
Mistake: “Using 'colegio' to mean 'university' or 'college' (higher education).”
Correction: This is a 'false friend'. 'Colegio' means K-12 school. For higher education, use 'universidad' or 'facultad'.
secundaria
/seh-koon-DAH-reeah//se.kunˈda.rja/

Examples
Los estudiantes de secundaria deben elegir su especialización pronto.
High school students must choose their specialization soon.
¿En qué año de la secundaria estás?
What year of high school are you in?
Terminé la secundaria el año pasado y ahora voy a la universidad.
I finished secondary school last year and now I'm going to university.
Mi hermana es profesora de matemáticas en una secundaria pública.
My sister is a math teacher at a public high school.
Use with Articles
Since 'secundaria' is a feminine noun, you will almost always use the feminine article 'la' or 'una' before it: 'la secundaria' (the high school).
Confusing Levels
Mistake: “Using 'colegio' when you mean 'secundaria'.”
Correction: In many Spanish-speaking countries, 'colegio' often means 'private school' or 'primary/elementary school,' while 'secundaria' refers specifically to the high school level.
Colegio vs. Secundaria
Related Translations
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