There is 2 way to reporting rush SAT score given below

By online
Sign in to My SAT. If you haven't already created a collegeboard.com username and password, do so now.
Click the "Send Available Scores" button.
Search by name, state, code or country for the colleges and scholarship programs you'd like to receive your scores.
Select the rush reporting option on the "Review Your Order" screen.
Review and print your confirmation page.

By mail
Download and print the Additional Score Report Order Form.
Make sure to complete each section to avoid score reporting delays.

After completing the form, send it along with proper payment to:

SAT Program
P.O. Box 7503
London, KY 40742-7503
Please make your check or money order payable to The College Board.

Need to rush your scores to colleges
Your child’s SAT scores must be available online before he or she can request rush reporting.
The rush reporting fee is $31.
Rush reporting SAT scores are sent to colleges within two working days of your child’s request.
Before requesting rush reporting of SAT scores, check with the colleges to which your child will apply to determine if rush reporting is necessary.
Rush reporting requests can be submitted online or by postal mail. For specific instructions about rush reporting SAT scores