LEARNit Dictionary
upper school
noun
/ˈʌpə skuːl/
UK
/ˈʌpər skuːl/
US
1
a school, or the classes in a school, for older students, usually between the ages of 14 and 18
مدرسه متوسطه دوم, دبیرستان
compare
lower school
,
middle school