Start with this article about getting a identification number from the IRS before you open a checking account:
Then read through these blog posts:
Checking accounts and EINs for homeschool groups
Will getting an EIN put us on the IRS radar?
EIN before or after incorporation?
Fraud in a homeschool group
Banker wants IRS letter to open a checking account
You’ll find more information on managing money in a homeschool organization in my book, Money Management in a Homeschool Organization: A Guide for Treasurers.
Carol Topp, CPA