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Riordan Roundup

Join us April 12, 2025 as we bring back the famous Cow Plop! The Riordan Roundup is our Spring Fundraiser! There are many ways to join the fun from buying a cow plop ticket, enjoying the BBQ or participating in our online auction.

Purchase your ticket to our cow plop event!

We encourage you to contact Jill Micheli,  jmicheli@riordanhs.org or 415-586-8200 x 232 about purchasing a ticket.

Each ticket is $1,000. The winner will receive a 15,000 dollars in cash or tuition for the 25-26 school year. 

 

COW PLOP INFORMATION

Sponsors, Digital Ads and General Admission Information

We have  many sponsor opportunites! Sponsorships include general admission tickets, premier viewing of the event and digital signage.

Buy a digital ad and showcase your business or a special message during the event and the 2025-26 sporting events on our new digital scoreboards.

General Admission tickets on sale now. Ticket is for dinner and admission only. 

THIS DOES NOT INCLUDE A COW PLOP TICKET. THIS IS SOLD SEPARATELY  

Sponsors, Digital Ads, & General Admission Info

 

Riordan Online Auction  May 1-6

This is one of our biggest fundraisers of the year! We need your support to procure auction items to make this a fun and profitable event! 

Donate Aution Item

 

 

 

 
 

Volunteer Opportunities 

We have plenty of volunteer opportunities to help on the day of the event. Contact Jill Micheli,  jmicheli@riordanhs.org  to learn more!

 

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Archbishop Riordan High School

175 Frida Kahlo Way, San Francisco, CA 94112