College Board
https://collegereadiness.collegeboard.org
Khan Academy
https://www.khanacademy.org/
GPA Calculator
https://gpacalculator.net/high-school-gpa-calculator/
ACT
http://www.act.org/content/act/en/products-and-services/the-act.html
SAT
https://collegereadiness.collegeboard.org/sat
Finaid
http://www.finaid.org/
Free Application for Federal Student Aid
https://studentaid.ed.gov/sa/fafsa
NACAC
https://www.nacacfairs.org/
GAPROBE
http://www.gaprobe.org/
https://web3.ncaa.org/ecwr3/