Training for the 'A' Circuit Horse & Rider
Specializing in Equitation, Ponies & Jumpers.
Ready to start riding? Email us at or fill out our online scheduling form today!
Coached 23 Zone Champions
15 International Grand Prix Wins
Junior/YR Silver Medalist
Prix de'States Silver Medalist
Maclay Semi-Finalist
USEF Talent Search Finals East
Youngest Female Rider to a Win Grand Prix ('99)

Our riders are always Top 10 in Local Medals!


About Us

Sales & Leasing

Ride With Us




Crystal Petralli
Sales, Training, Clinics: (650) 533-9067
Lessons, Additional Info:

Cornerstone offers several different options for its clients. Packages range from all-inclusive to a la carte, enabling a custom range of services for each unique horse and rider.
Crystal Petralli is ARIA Certified Level I in Huntseat and Stable Management.

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