high school, secondary school
Tom enseña francés en un instituto.
Tom teaches French at a high school.
Tom es un estudiante de instituto.
Tom is a high school student.
Fui profesor de historia en un instituto rural durante cinco años antes de cambiar de carrera.
I was a history teacher at a rural high school for five years before changing careers.
Siguiendo las palabras de mi estricto padre, fui admitido en este instituto.
Following my strict father's wishes, I was admitted to this institute.
Mi hermana se casó con un profesor de instituto el pasado junio.
My sister married a high school teacher last June.
Ella le mostró una foto de su instituto.
She showed him a picture of her high school.
Seguro que tienes una mala reputación en tu instituto.
You probably have a bad reputation at your school.
— Stalker (1979)