senior high school

US /ˌsiː.njər ˈhaɪ skuːl/
UK /ˌsiː.njər ˈhaɪ skuːl/
"senior high school" picture
1.

lycée, école secondaire supérieure

a high school for students in the higher grades, typically grades 10-12 or 11-12, preparing them for higher education or vocational training

:
My brother is currently attending senior high school.
Mon frère fréquente actuellement le lycée.
After graduating from senior high school, she plans to go to university.
Après avoir obtenu son diplôme du lycée, elle prévoit d'aller à l'université.