1-You Will Be Physically Stronger.
Being strong will not only help you be able to carry your back pack around campus, but you will be less dependent on others to help you do things, thus making you more self sufficient. Strength training is both effective and beneficial for teens and adults

2-You Will Lose Body Fat.
Strength training 2-3 times a week for a month and you will notice a gain in lean body mass.  As your lean muscle increases so does your resting metabolism and you burn more calories all day long. Generally speaking, for each pound of muscle you gain, you burn 35 to 50 more calories each day. That can really add up.

3-You Will Improve Your Athletic Performance-

Whether you play sports competitively or not participating in any activity requires basic coordination, strength and flexibility.  Strength training will not only help you get stronger but improve your coordination by doing different combinations exercises. 

4-You will improve your academic performance. 

Studies have shown that kids who are active perform better in school. Participating in athletic activities allow for stress relief, and allows kids to work off extra energy, helping them be more focused in school check out:

5-You Will Reduce Your Risk of Diabetes and Heart disease

Research has shown that being active and eating a healthy and balanced diet reduces the risk for heart disease. Teens have been shown to perform well in strength training because it’s a non competitive form of exercise. Teens can work at setting goals for themselves in a a non competitive way.

6-You Will Improve Your Attitude And Fight Depression.
A Harvard study found that 10 weeks of strength training reduced clinical depression symptoms more successfully than standard counseling did. Women who strength train commonly report feeling more confident and capable as a result of their program, all important factors in fighting depression.