My blood pressure is 137/93 is that bad I am a 17 year old female?

Recheck . With a right size cuff, should be covering 2/3 of your arm, one reading should be rechecked, measure both sides, if still high readings see your doctor for evaluation, take care.
High blood pressure. that is considered high blood pressure and should be repeated to verify the number. If in fact it is high, a cause should be looked into as to why it is high.