in high school
Ele estava no colegial quando fugiu de casa.
He was in high school when he ran away from home.
— Munna Bhai M.B.B.S. (2003)
Tom era apaixonado por Maria quando estava no colegial.
Tom was in love with Maria when he was in high school.
Como foi sua reunião no colegial?
How was your high school reunion?
Fui professora de Gabriel Pasternak no colegial.
I was Gabriel Pasternak's teacher in high school.
— Relatos Selvagens (2014)
Eu passei quatro anos no colegial.
I spent four years in high school.
— Memórias de um Assassino (2003)