i start my senior year of high school next week
That's great! I assume senior year is grade 12. It's the final year of secondary school in North America.
Oh yes, what are the things i am to look out for in the subsequent educational classes 
Well, if you are Australian, you are going to work towards your ATAR rank or OP, so you can take courses at university
Okay. I want to be a computer engineer so i am pursuing  that in college 
Do you have computer engineer Barbie? She was created in 2010 due to demand.
How do you think getting this will help me in a pursuit
Computer Engineer Barbie
Computer Engineer Barbie is the 126th career version of Mattel's Barbie doll. In response to poll results indicating strong support for computer engineers, the doll set was created and introduced in 2010. In 2014 Mattel apologized for the accompanying book, I Can Be a Computer Engineer, after internet complaints that it represented Barbie as incompetent in the field, needing the help of men. 
Description.
The doll has a pink laptop and a pink smartphone, and is wearing geometric pink glasses, a pink watch
everyone makes their choice. In 10 years, I've never seen a person take a steroid.
Jamie Moyer stated:
I can tell you that I was there for 10 years and I never saw anyone take steroids. This will be my 20th year in the major leagues, and I don't even know what a steroid looks like. If I have to start relying on those things, after so many years in the game, then it's time to pack it in. That's the way I look