Hahahaha!
Please forgive me, but you couldn’t be further from any real worries. Having said that - it’s actually really cool that you’re concerned about your skill level so prematurely.
Not to worry. At all.
You’ll graduate high school and take up your course at university or specialist ad school and that’s when you’ll hone your skills as a creative. Once you start getting closer and closer to the industry, you’ll see just how little you actually have to worry about.
The industry is competitive, yes. But as a junior you just have to be really hungry to do well and work at the agencies you want. And hungry people get fed.
You seem to have a lot of passion to be a skilled creative. That’s a really good start. It’s passion that will drive you to eventually become a great creative at a well known agency that you might one day head.
If you’re really interested already, try giving these books a read to give you a better idea of how to prepare yourself.
- Pick Me: Breaking Into Advertising And Staying There - Nancy Vonk & Janet Kestin
- Cutting Edge Advertising - Jim Aitchison
- Hey Whipple, Squeeze This - Luke Sullivan
- Making Ideas Happen - Scott Belsky
- Can I Change Your Mind? - Lindsay Camp
- It’s Not How Good You Are, It’s How Good You Want To Be - Paul Arden
- Whatever You Think, Think The Opposite - Paul Arden
Also, a good blog to follow is Junior: Celebrating Life at the Bottom.
Now, there are such things as small agencies, but not low-impact agencies, just low-impact work. The impact of the work does not, in any way, correlate to the size of the agency; a very highly awarded ad campaign for Orcon Broadband last year came from a 6-person agency called Special, in New Zealand.
Take any unideal scenario as a challenge and you’ll go far.
I tend to ramble when I do this, so if I could summarise this to fit you perfectly, I would simply say,
Don’t panic.
You’ll gonna be just fine.
Let me know if you have any other questions. I’ll try my best to help you out.
Cheers.

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