circumscribe. 1  to draw a line around; encircle: to circumscribe a city on a map. 2  to enclose within bounds; limit or confine, especially narrowly: Her social activities are circumscribed by school regulations. 3  to mark off; define; delimit: to circumscribe the area of a science.
Passionate about all things Australian. Middle school and High school ages depend entirely on individual school and when they set their Middle School. They vary from anywhere in years 6-9 (ages 10 - 15) for Middle school to Years 9-12 for High school (ages 14 - 18).
In Singapore, middle school is usually referred to as secondary school. Students start secondary school after completing primary school at the age of 13, and to 16 (four years if they are taking the Special or Express courses), or 17 (five years if they are taking the Normal (Academic and Technical) courses).