<Ul> <Li> 5th year (10--11 years old) </Li> <Li> 6th year (11--12 years old) </Li> </Ul> <Li> 5th year (10--11 years old) </Li> <Li> 6th year (11--12 years old) </Li> <Li> 3rd cycle (3o ciclo)--former preparatory education (continuation) <Ul> <Li> 7th year (12--13 years old) </Li> <Li> 8th year (13--14 years old) </Li> <Li> 9th year (14--15 years old) </Li> </Ul> </Li>

What's the difference between jr high and middle school