If you just started track and have little or no exporience in running, that's an okay time. I know high school girls who can run 6 minute miles, but they have been running since elementary school. read more
As others have pointed out, 8 minutes is a good start and it is possible to improve enormously with training. Having said that, to be competitive at high school level you really need to be running under 6 minutes for the mile. Elite juniors are running close to 5 minutes even at a much younger age. read more
Some speedy runners consider running a sub-6: 00 mile as a big achievement, while some novice runners might be ecstatic to run a mile under 10: 00. The current world records for the outdoor mile are 3: 43.13 for men and 4: 12.56 for women. read more