The new name of the association is the National Alliance of Christian Schools (NACS). As of November 1, 2019 all membership certificates will bear the new name and logo. You may request an additional certificate with the former SBACS logo during this transitional period.
If you selected Credit Card you will be taken to the PayPal web site. You do not need a PayPal account to use this option. On the following screen select "Pay with Debit or Credit Card".