Is losing 30 pounds realistic for a 15 year old girl in a 3 month time span?

Alright, so lately I''ve been feeling more & more self conscience since starting my freshman year in high school. I''ve gone to a private school my whole life with only 8 kids, and now I go to a huge public school. I actively play basketball and tennis. Now I am 191 pounds & 5''11. I''ve always been heavier, and I''m willing to accept that I won''t be a size 0 or 2, but I''m concerned about my health. Not only that but next year I am going to be on Varsity Basketball and don''t want my weight to become an issue. Summer basketball starts June 27th and I''m really hoping I can shed some pounds. Does anyone have tips in which will help lose weight & help me jump higher?

(I''m looking for more specific diet plans, workout exercises, and tips.)
Thanks!

How to Lose Weight Fast: 14 Things You Can Do to Lose Weight Quickly!

Recommended Answer:
It is impossible to lose 22 pounds in 30 days. It will give you attest 3 months to lose all of that weight.

• I think you should lose more like 40 lbs but yes, 10 lbs/mo is ideal. A good diet/exercise plan would be:
  
  Breakfast: Cook 9-grain cereal (from health food store) in water with rolled oats and wheat bran. Make a big pot of it on weekends and scoop out 1/2 cup each morning. Add low fat milk, nuts and berries. Drink hot Ovaltine. Breakfast should be your largest meal of the day to raise blood sugar level which falls during the night.
  
  Lunch: Egg, tuna or turkey ½ sandwich on whole grain bread with bean or alfalfa sprouts and yogurt w/fruit. If you had meat loaf for dinner, bring a meat loaf sandwich on whole grain bread (NO mayo). On cold days, a squatty thermos of hot chili, split peas with ham, or beef stew.
  
  Snacks: Fresh (not canned) fruit: banana, orange, apple, kiwi, grapes, peach, nectarine, cherries, pineapple. No chips and nothing ever from a vending machine.
  
  Dinner: salad with white meat chicken and fresh (not canned) veggies: tomatoes, 2 kinds of lettuce, 2 kinds of shredded cabbage, shredded or sliced carrots, alfalfa or bean sprouts, zucchini, green or red peppers, hard boiled eggs, brussels sprouts, broccoli, cauliflower, tofu, cottage cheese...Instead of dressing, squeeze 1/4 tomato over it.
  
  Or homemade bean/vegetable soups; great way to recycle leftovers.
  Or grilled fish with steamed veggies.
  
  Or omelet: In blender, whip together eggs, tofu, cottage cheese, onions, garlic powder. Cook with mushrooms, chopped tomatoes and green or red peppers.
  
  Foods to avoid: junk food, fast foods, pastries, desserts, sugar, salty foods, syrup (even canned fruit in syrup), peanut butter, fat/grease (pork, wieners, chops, bacon, salami, pizza, chips, fries), pasta, potatoes, white bread, rice, canned veggies, ice cream, soda, chips. And of course no tobacco or alcohol in any form. Both of those add wrinkles and destroy your brain. No oil except olive and mac nut. Coffee also rots your brain.
  
  To keep your skin clear, drink water. Veg. juice is good too. But not canned juice (too much sugar.)
  
  Join a gym; they have all the equipment and staff to show you how to use it to get the look you want to achieve. Much cheaper than buying your own equipment. Go hiking, biking, jogging, bowling, swimming...play tennis, badminton, volleyball, soccer..
  
  If you lack energy to exercise, take Super B complex.
  To lose weight, try an appetite suppressant.
• Sure. But keep in mind, the more you lose the more weight loss slows down. Your BMR will lower and you won''t burn as many calories during exercise/activity. You may lose 10 lbs your first month, maybe 8-10 your next month, 5-8 your 3rd month and so on.
  
  You can use sparkteens.com to track your calories, fitness and they provide optional healthy and balanced meal plans for people just getting starting. They also have fitness videos and a workout generator. An active community with on site dietitians/personal trainers. It''s a great site. I use their adult one and have lost 55 lbs in 7-8 months.
  
  The Mediterranean diet is one of the healthiest and most approved diets out there.
• Hey Hanna,
  
  Alright so you have basically the whole summer to lose 30lbs. It''s VERY possible!
  
  Exercise: take a 10-20 minute walk/jog every-other day, going a bit longer each time
  and on the days your not walking do some simple stretches, lunges, push-ups, and crunches.
  
  Diet: ok so your 15, you really don''t need a diet but more better food options
  Smoothies are great! (just DO NOT add sugar) the fruits have enough sugars already trust me.
  you could also try...salads...which I know are gross but if you add dressing their actually quite tasty.
  
  and lastly watch how much your consuming If you exercise all the time but pig out during every meal you''ll never get anywhere. Hope this helped and Goodluck!