Three competitors or similar entities trying to solve the same problem you are:

Name: Guidebook.com
Description :Build a mobile app for your college or university. Whether it’s orientation, campus tours, alumni events or anything in between, Guidebook has you covered.
Similarities: Allows college the opportunity to provide information and appeal to future students. 
Differences: Colleges/Universities are the target audience

Name: Any.do
Description: An app to help student organize and keep track of upcoming college deadline dates and serves as a to do list 
Similarities: Helps organize daily activities like my idea is to help students keep track of daily college to do task.
Differences: This resource is an app while mine is a youth channel. This app you have to download and the target audience is for everyone and not dedicated to high school juniors/seniors

Name: Collegeboard.org
Description: A website that helps students have an inside look on their college of choice and allows students to have direct connection to their college of choice.
Similarities: Provides information on colleges around the world and their admissions requirements and provides information on financial assistance for college.
Differences: College board allows you to take state exams like the SAT on this website and allows you to apply for college directly through their website.