Allie, you need to go online and google the words "therapeutic riding", so you can get a list of facilities that offer riding for the physically and intellectually disabled near you. I'm sorry that your little girl was rejected by this place- and yes, they are on questionable legal grounds at best, because open discrimination on the basis of intellectual disability is a violation of the ADA. Presumably, the management of this place you went to know that, or they should.
I'd just find another riding program that accomodates special needs individuals. There are LOTS OF THEM around. And if push really comes to shove, you can always go online to the website of NAHRA ( North American Handicapped Riding Association) and get a list of therapeutic riding facilities from them.
Keep in mind that riding is a wonderful sport for the disabled. Both our national equestrian federation, the USEF, and the international one, the FEI, have what are called Para-Equestrian divisions for disabled riders, and they regularly hold shows and competitions that feature these individuals. The Paralympics and Special Olympics also include riding as part of their roster of sports.
And the disabilities aren't just limited to the physical. The 2012 London Paralympics featured riders with Autism and Down Syndrome, and there were riders with both conditions who competed last year at the WEG in Normandy, France. So therapeutic riding is actually something which is well known internationally.
I'd tell Wendy that you're sorry about this place saying no to her, and tell her you're working on finding a place where she can ride.
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