CSIO meaning in International ?

Answer: What is Concours de Saut International Officiel mean?

Concours de Saut International is a ranking system for the equestrian competition show jumping. All CSI events are approved by the international governing body of equestrian sport, the FEI.

The CSI is broken down into a starring system, where more competitive events with more prize money have a higher number of stars. Starring goes from 1 to 5.

CSI*****/CSI5*: Prize money 500,000+ (CHF), (equivalent to approx. £250,000 (sterling), approx. $450,000 (USD)). Horses must be at least 7 years old.CSI****/CSI4*: Prize money from 250,000 to 499,999 CHF. Horses must be at least 7 years old.CSI***/CSI3*: Prize money 100,000 to 249,999 CHF. Horses must be at least 7 years old.CSI**/CSI2*: Prize money 50,000 to 99,999 CHF. Max. height 1.45m. Horses at least 6 years old.CSI*/CSI1*: Prize money 49,999 CHF or lower. Max height: 1.40m. Horses at least 6 years old.

Additionally, speed and height may vary between competitions. For the Nations cup held outdoors, 4* and 5* competitions must ride 400 meters per minute, 375 mpm for 3* competition, and 350 for 1* and 2* competition. All indoor competitions are ridden at 350 mpm.

reference

Full Form	Category
Centre for Study of Insurance Operations	Business
Central Scientific Instruments Organisation	General
Center for the Study of Industrial Organization	General
Central Scientific Instruments Organization	General
Center to Support Immigrant Organizing	Governmental
Concours de Saut International Officiel	International
Canadian Sport Institute of Ontario	Sports