What is the average weight for a 14 year old 5'5 female? Is being 150 lbs considered being overweight?

Being Overweight. For 5 feet 5 inches tall female, her ideal weight would be 125 pounds. Range is between 113 and 138 pounds. Increase of 20% of ideal weight is considered overweight, think: How do you feel about your weight and appearance? Does your weight limit you from some activities? Are you worried about health risks due to weight? Do you overeat due to stress? See Physician for weight, Diet and Stress.
Starting to be. Overweight, as your calculated BMI is exactly 25, and BMI of 25-29.9 is considered overweight, above that is being obese. Diet and exercise are the most important strategies to reduce weight and lead healthy lifestyle, start now, much less time for tv, smart phones/computers, walk as much as you can Check this link for growth charts http://www.cdc.gov/growthcharts/data/set1clinical/cj41c022.pdf.