Getting Started homeschooling is a big decision for any family.  One of the  first things you should do is look to see what the laws are for your state.  HSLDA is a wonderful organization to be a member of and a great place to find everything you need to get started.  To find out the laws for your state, check this page  https://hslda.org/legal.

Lee Binz addressed what all is needed for high school credits in a free webinar. Check out
http://www.excellenceinwriting.com/ webinar-archive.  Click on Andrew Pudewa, and choose the webinar "A Homeschooler's Guide to High School Grades, Credits, and Transcripts (with Lee Binz) - July 22, 2013.

Testing
ACT Testing
https://www.act.org/content/act/en/products-and-services/the-act/registration-information.html 

SAT Testing
https://collegereadiness. collegeboard.org/ sat/register 

PSAT Testing
held in October each year- ​https://collegereadiness.collegeboard .org/psat-nmsqt-psat-10/k12-educators/ordering

Book Vendors
These are some of our favorites, just click on the link,  but there are many more!
Rainbow Resource
IEW Writing
Apologia Books
Masterbooks
Abeka Books
Christian Book
BJU Press
Veritas Press
Sonlight

Here is  a FREE GPA Calculator designed specifically for do-it-yourself  homeschoolers: http://www.FastTranscripts.com/gpa.php