You log into Seesaw using your school Google Account. You will click "Log in with Google".

Username: schoolusername@rcschool.net

So if your school username was jen26ewi, your Google login would be jen26ewi@rcschool.net

Password: schoolpassword000

For example, if your school password is 5apple2, then your Google password would be 5apple2000.

(Notice that those are zeros at the end, not the letter "o").