it is yards or yd because the school does not stretch a mile
cm
Either yards, feet and inches, or metres and centimetres.
Metres and centimetres or feet and inches would be used.
The commonest convenient unit is the millimetre (mm), and they are around 1.2 mm thick.
Centimetre for precision, otherwise metre.
Metres.
Metres.
yard stick
I would use meters.
there are many different ways but I would go with yards.
The meter.
cm
Feet
Feet
Metres would probably be the most convenient.
By hours and minutes.
Either yards, feet and inches, or metres and centimetres.