The problem that most young people have; especially in high school; is that they don't have any true goals. Realize this...... if "Attending a military academy" is your "GOAL", then you are definitely off base and that's part of the problem. The academy should NOT be a goal. The academy is a MEANS, TOOL, STEPPING STONE, ETC. to reaching your goals. The academy is only 4 years long. You still have hopefully, on average, about another 70 or more years on this planet. Do not concentrate on the 2-3 years left in high school or the 4 years at an academy or college as your "Goal".
Now some will argue and say that there's nothing wrong with having "Short Range Goals". That's true. No argument. Winning a state championship at sports; restoring an old car; writing a song or book, etc. There are plenty of short range goals. But EDUCATION is NOT A GOAL!!! Education is a TOOL to help you reach those goals. Contrary to what you think, education is a LIFE LONG EVENT. If you stop learning, you might as well stop existing. Just today, I was needing to replace the rear window wiper blade on my wife's SUV. I've worked on cars for about 40 years. For the life of me, I couldn't figure out how to take the old one off. (Without breaking the wiper assembly). Thank God (And Al Gore) for the internet. A 30 second youtube video and I had the wiper replaced in no time.
The point is, do NOT consider education, even college or the academy as a goal. Figure out what you want to do with your life. Your passion. Your interests. Then recognize the steps you must take to get there. High school is pretty much one of the stepping stones to pretty much any goal in life. (Unless you truly want to work at the Mini-Mart or Burger King for the rest of your life). My goal involved traveling the world; living in many different countries; serving my country in the military; seeing and experiencing things most people only imagine when they watch "Nat Geo or the Travel Channel" on tv, I was able to do those things. My education provided the tools for me to achieve most of my goals. And everyday, I re-assess my goals. Determine if they are still attainable, or if my desires have changed. And in there, will be many short range goals. Do NOT look at graduating high school as a "GOAL". Do NOT look at going to college or attending a military academy as a "GOAL". Education isn't a goal; it's a tool and stepping stone to reach goals. Once you realize that, everything else will make sense.
Don't believe me????? Check with any number of people who either didn't finish high school or finish/attend college immediately after graduating high school; BUT when back to school later. (Once they figured out what their goals were). You'll find plenty of C-B GPA (high school) students who in college were 3,9-4.0 GPA students. Why???? Because they finally realized that education is a TOOL!!! You can't fix a flat tire without a jack and wrench. You can't cook dinner without a pot or pan. You can't build a fence without a hammer or screwdriver........ BUT YOU CAN'T DO ANY OF THOSE THINGS, OR REACH ANY OF YOUR GOALS, WITHOUT EDUCATION!!! Once you realize the difference, you'll be fine. Unfortunately, most young people don't. Most see school, (High school and college), as a "GOAL" or worse yet, an "OBSTACLE", that they must overcome and conquer. With that attitude, you're simply wasting your time. Because it's the knowledge, skills, and experiences that you receive with that education that is going to help you achieve your goals. It's NOT the piece of paper. Can't tell you how many high school and college graduates I've seen working at pizza joints who THOUGHT by getting a college degree they were going to get everything in life they wanted. Education is a tool. Once you understand that, and USE THAT TOOL for what it was intended for, THEN you'll succeed.
Best of luck to you.