Join escrip.com and earn money for the Centennial Baseball Boosters! It's easy, just click on the ad to sign up for escrip. Search for our group: Centennial HS Baseball Boosters. Complete registration process and add your Schnuck customer card, debit cards, and credit cards to start earning today. By shopping at Schnuck's 3% of your purchases will go back to the Centennial Baseball Boosters. Check out the Online Mall too! We welcome your family and friends to sign up also. SPREAD THE WORD! The more supporters we have, the more we earn.